Relationship of Cosmic Ray Diurnal and Semi-Diurnal Anisotropy with Geomagnetic Disturbance

CURRICULUM – VITAE

DR. CHANDRA MANI TIWARI

1. FATHER'S NAME : SRI N. K. TIWARI

2. MOTHER'S NAME : SMT. P. TIWARI

3. DATE OF BIRTH : APRIL 4, 1972

4. PLACE OF BIRTH : PURVATIR, TAHSEEL - TEONTHAR, REWA (MP)

5. NATIONALITY : INDIAN

6. MARITAL STATUS : MARRIED

7. CASTE : BRAHMAN

8. CATEGORY : GENERAL

9. MAILING ADDRESS : ANAND SADAN, SHARDA PURAM (Behind Maharaja Bandh), SAMAN REWA (MP) 486 005 Ph. No. ®: (07662) 225819, Mobile:09424337848 Email: [email protected],[email protected] 10. ACADEMIC CAREER Exam. Year Board/Univ. Subjects Div. %age Passed High School 1988 Board of Sec. Education, All subjects I 68% Bhopal Intermediate 1991 Board of Sec. Education, Math, Physics, Chem., I 65% Bhopal Hindi, English B.Sc. 1994 Model Sc. College, APSU, Maths, Physics, II 58% Rewa Geology M.Sc. 1996 UTD, APSU Rewa Physics I 73% B.Ed. 1996-97 APS Univ., Rewa Science Th. 65% Prac. 77% M.Phil. 1998 APS Univ., Rewa Physics I A Gr. Ph.D. 2001 APS Univ., Rewa Space Physics Awarded 2001

1 11. TECHNICAL CAREER

Exam. Year Board/Univ. Division %age Passed PGDCA 1997 UTD, APSU, Rewa First 73% M.Sc. (CS) 2009 MCU (Study centre Sai Computer College First 71 % Rewa, M.P.)

12. Teaching/Working Experience

S.N. Institution Designation Period 1 Dept. of Physics, APSU Cont. Lecturer June 98 (still continuing) Rewa 2 Sai Computer Centre, Guest Teacher Jan. 2001- Jan 2002 Rewa 3 Govt. Engg. College, Rewa Guest Teacher Feb. 99 to July.2002& Sept. 02 To Dec.2002,Feb.04 to Jun 04 4 Govt. Model Sc. College, Guest Teacher Sept 97 - Dec. 97 & Feb. 99 to April 99 Rewa & Aug. 99 to Nov. 99 5 SECT Computers, Sidhi Instructor May 1996 to Sep. 1996 6 INFOTECH Rewa Lab Instructor Jan. 97 to Aug. 97 7 APSU, Rewa Job Training Feb. 97 to May 98 8 APSU,Rewa Guest Teacher 2002-03 & 03-04,04-05, 05-06, 2006- 07, 2007-08, 2008-09, 2009- 2010.

13. Type of work in above institutions:

At A.P. S University Rewa, the over all activities performed as and when needed in past / present are:- Project Supervisor, Teaching and Lab. Maintenance, System investigation, Library management, Payroll processing, Organization of training programs, Syllabus preparation, Data processing as well as involvement in the Confidential examination work of the University (as and when needed).

2 14. Courses Taught : B.Sc., B.C.A., B.E., PGDCA, M.Sc., M.T.A. and M.Phil. I have taught the following courses to B.Sc., PGDCA, M. Phil., and M.T.A. at UTD, APSU, Rewa, Govt. Model Science College, Rewa, Govt. Eng. College Rewa, Sai Computer College and Pentium point college Rewa.

1. B.Sc. (Computer Applications): Computer Fundamentals & IBM PC, Business Data Processing. 2. B.C.A.: Digital electronics, computer network, computer architecture 3. B.E. (Engineering Physics): Atomic Physics Nuclear Physics and Computer related Papers. 4. PGDCA (Computer Science): Computer Organization & Assembly Language Programming, Accounting and Financial Management, DBMS, Introduction to Programming, System Software and Programming. 5. M. Sc. (Physics): Electrodynamics & Plasma Physics, Digital Electronics and Microprocessor, Informatics and PC software 6. M. Phil. (Hindi, J.N. Centre, A.H.I., E.B., Introduction to Programming & PC Software). 7. M.T.A. Computer applications 8. Appointed as Examiner MC University, Bhopal

15. O.S. Known : MS-DOS, Windows Computer Language & Packages known: - 3 GL : C, C++, Java, HTML

Packages : MS office

Others : Assembly Language, E-mail, Internet

Area of Interest : Software development, Networking & e-mail

15. Research Experience: Seven years and published 23 research papers in National/ International Journals and 56 papers presented / submitted in symposiums/ Conferences (see list of Publication)  A research project submitted to DST and presented BARC, Oct. 2005. A new revised research project has been submitted to DST, 2007.

The following Project reports [in P.G.D.C.A. (CC)] submitted under my supervision (a) Library management system (2002) (b) Examination processing system (2002)

3 Title of M. Phil. Dissertation: Average Characteristics of diurnal variation of cosmic Ray intensity Title of Ph.D. Thesis : Characteristics of Higher harmonics of the Daily variation of Cosmic Ray Intensity during period 1989-1999" Title of Computer : "Pending Letter Information System" Project worked on Supervisor : Prof. S. P. Agrawal, Ex-Head, Dept. of Physics & Computer Science, A.P.S. University References:

1. Prof. S. P. Agrawal, Ex. Vice-Chancellor, APS University, Asha Kirn Bulding Behind Head Post office Rewa (M.P.). 2. Prof. D. P. Tiwari, Professor & Head, Dept. of Physics, APS University , Rewa (M.P.) 3. Prof. C. K. Sharma, (Ex V. C.), Dept. of Maths & Statistics, APS University, Rewa 4. Dr. A.P. Mishra, Dept. of Physics, APS University , Rewa

(Dr. C. M. TIWARI)

4 DR. C. M. TIWARI

LIST OF PUBLICATIONS (In Journals)

1. Average anisotropy characteristics of high-energy cosmic ray particles and geomagnetic disturbance index Ap. C. M. Tiwari, D. P. Tiwari, Ajay K. Pandey and Pankaj K. Shrivastava, J. Astrophys .Astro. 26, 429- 434, (2005). 2. Relationships of first two harmonics of cosmic ray daily variation with solar activity C.M. Tiwari, D.P. Tiwari, Sant P. Agrawal, and Pankaj K. Shrivastava Indian journal of radio & space physicsVol.33, 95-98 (2004). 3. Comparative study of different solar parameters with sunspot numbers. V.K. Mishra, D.P. Tiwari, C.M. Tiwari, and S.P. Agrawal, Indian journal of radio & space physicsVol.34, 13-16 (2005). 4. Anomalous behaviour of Cosmic ray diurnal anisotropy during descending Phase of the Solar Cycle 22 C M Tiwari, D P Tiwari and Pankaj K. Shrivastava, Curr. Sci, vol. 88, no. 8, 25 April (2005). 5. Study of the characteristics of low and high amplitude diurnal wave trains of cosmic rays. Ajay K. Pandey, G. K. Pandey and C. M. Tiwari 29th Int. Cosmic Ray Conf. 2, 183-186, (2005) 6. Effect of interplanetary disturbances on cosmic ray daily variation at neutron monitor energies. C. M. Tiwari and S. P. Agrawal 29th Int. Cosmic Ray Conf. 2, 187- 190, (2005).

7. The study of daily variation of cosmic ray intensity on low cut -off rigidity station. G. K. Pandey, C. M. Tiwari and P. K. Shrivastava 29th Int. Cosmic Ray Conf. 2 , 167- 170, (2005). 8. Study of daily varitation of Cosmic Ray intensity for the period of 1989- 2000. C.M. Tiwari, S.P. Agrawal, D.P. Tiwari, M.A. El-Borie and P.K. Shrivastava J.Curr. Sci. 3(1) 219-222 (2003) 9. Correlative study of various harmonics of the daily variation of Cosmic rays C.M. Tiwari, D.P. Tiwari, S.P. Agrawal, and Pankaj K. Shrivastava Ultra science Vol. 15(3), 433-436 (2003) 10. Correlation of first two harmonics of cosmic rays anisotropy with sunspot activity. D.P. Tiwari, C.M. Tiwari, S.P. Agrawal, , P.K. Shrivastava J. curr. Sci., 5(1) (2004) 11. Solar longitudinal distribution of solar flares in association with forbush decreases. Neelam Singh, D.P. Tiwari, C.M. Tiwari, P.K. Shrivastava Acta ciencia Indica, Vol.xxx p.No.2, 209 (2004)

5 12. Comparative study of anisotropies of cosmic ray intensity variation in relation with solar activity. C.M. Tiwari, D.P. Tiwari, and Pankaj K. Shrivastava, Vindhya Bharati,APS University, Research Journal Vol.1, P.165-171, (2004). 13. Study of distribution of solar flares around the sun and their relationship with sporadic variations of cosmic ray intensity. Neelam Singh, D.P. Tiwari, C.M. Tiwari and Pankaj K. Shrivastava, Vindhya Bharati,APS University, Research Journal Vol.1, P.157-164,( 2004). 14. Report on Variational trends of cosmic ray intensity on different Neutron Monitor stations. C.M. Tiwari and D. P.Tiwari, Vindhya Bharati,APS University, Research Journal Vol.2, P., 44 - 47, (2004). 15. Daily variation in cosmic ray intensity for the period 1991 to 2004 G. K. Pandey, C. M. Tiwari and Pankaj K. Shrivastava, Vindhya Bharati,APS University, Research Journal Vol.2, P., (2004). 16. Cosmic ray diurnal anisotropy and geomagnetic Ap index C.M. Tiwari & P.K. Shrivastava Asian Journal of Physics (AJP), Vol. 13, No. 1, 69-71 (2004) 17. Variational Characteristics of Diurnal Anisotropy on Day-To-Day Basis C. M. Tiwari and D. P. Tiwari Vindhya Bharati,APS University, Research Journal Vol.2, P. , (2005). 18. Tri-diurnal component of cosmic ray daily variation during ascending phase of solar Cycle 23. M P Mishra, C. M. Tiwari, Pankaj K.Shrivastava and D P Tiwari Scope and challenges in plasma sci. & techno. Proc. of Plasma, P 190-192, allied publishers Pvt. Ltd., (2005). 19. Study of day-to-day anisotropic variation of cosmic ray intensity C. M. Tiwari, D. P. Tiwari, and Pankaj K. Shrivastava Scope and challenges in plasma sci. & techno. Proc. Of Plasma, P 187-189, allied publishers Pvt. Ltd., (2005). 20. Study of Variational Characteristics of Cosmic Ray Daily Variation C. M. Tiwari, R. K. Tiwari and Manoj K. Pandey Acta ciencia Indica, vol. xxxii P No 3, 351-356, (2006). 21. Comparative study of diurnal variation observed at high and low cut-off rigidity stations G. K. Pandey, C. M. Tiwari and D.P. Tiwari Acta ciencia Indica, vol. xxxii P No 3, 373-375, (2006). 22. Average Characteristics of Diurnal Variation of Cosmic ray intensity for the solar cycle 22 to 23 C. M. Tiwari and D. P. Tiwari, Paper No 06 002 (2c), Vol. 68 n0 1, Modeling C-2007, page 65 France (2007).

6 23. Characteristics of high energy cosmic ray diurnal anisotropy on Day- To-Day Basis C. M. Tiwari and D. P. Tiwari,

Cosmic Research, Vol. 46, No. 5, Kosmicheskie Issledovaniya, 2008, Vol. 46, No. 5, pp. 493–496 (2008). 24. A study on P-N homojunction solar cell A. K. Saxena and C. M Tiwari Vindhya Bharati,APS University, Research Journal Vol.,No. 10, P.135-141 , (2010). Research papers communicated for publishing

1 Study of High Energy Cosmic Ray Anisotropies with Solar and Geomagnetic Disturbance Index C. M. Tiwari, and D. P. Tiwari, Cosmic Research,

List of Symposium/Seminars/Courses/Workshop attended 1. Study of correlated variations between various harmonics of the daily variations of cosmic rays. Sant. P., Agrawal & Chandra Mani Tiwari XII National Space Science Symposium held at Barkatullah University, Bhopal Feb. 25 – 28, DS3-2.10, p. 365, (2002). 2. Study of Amplitude and phase variations between high and low latitude neutrons. Chandra Mani Tiwari, Sant. P., Agrawal, D. P. Tiwari XII National Space Science Symposium held at Barkatullah University, Bhopal Feb. 25 – 28, DS3-2.11, p. 367, (2002). 3. Study of correlated variation of first three harmonics of the daily variations of cosmic rays. Chandra Mani Tiwari Presented in Young Astronomer meet in Astronomy held at Bangalore during Feb. 19- 22, (2003). 4. Relationship of solar activity with anisotropic components of daily variation of cosmic ray intensity. C.M. Tiwari , Umakant Sharma, D. P. Tiwari, Pankaj K. Shrivastava Paper presented during National Seminar on Anthropology held at Govt. New Sci. College Rewa during Feb. 7-8, P.30, (2003). 5. Correlative study of first two harmonics of cosmic ray daily variation with sunspot Activity C. M. Tiwari,D. P. Tiwari, Sant P. Agrawal & P. K. Shrivastava Presented in 73rd annual session of the National Academy Sciences, held at. Ahmedabad (PRL) 39, p. 24, during Oct. 10-12, (2003). 6. Critical study of daily variation of cosmic rays for different interplanetary conditions during 1989- 2002

7 Ajay K. Pandey, C. M. Tiwari,S. K. Nigam & Sant P. Agrawal Presented in 73rd annual session of the National Academy of Sciences, held at. Ahmedabad (PRL) , 40,p.25, during Oct. 10-12, (2003) 7. Study of diurnal variation of galactic cosmic radiation at neutron monitor energies, C. M. Tiwari , D. P. Tiwari , Pankaj K. Shrivastava,Ajay K. Pandey,& V.K. Mishra held at Mesra Ranchi,SAP-15, p. 121, during Dec.8-11,168, Plasma-(2003). 8. Study of cosmic ray diurnal semi-diurnal anisotropy with geomagnetic disturbance index Ap, C. M. Tiwari , D. P. Tiwari , Pankaj K. Shrivastava,Ajay K. Pandey,& V.K. Mishra, Mesra Ranchi SAP-14, p. 121during Dec,8-11,167, Plasma-(2003). 9. Effect of coronal green lines (coronal index) on cosmic ray intensity variations. V K Mishra C M Tiwari and D P Tiwari Mesra Ranchi, SAP-9, p. 119, during Dec.8-11, Plasma-(2003). 10. Participated in intellectual property right workshop, held at A. P.S. University, Rewa Dec.04, (1999). 11. Cumulative Effect of Forbush-decreases in Long-Term Modulation of Cosmic Rays V. K. Mishra, C.M. Tiwari and D.P. Tiwari XIII National Space Science Symposium held at Kottayam, Kerala 3 SEC-03, p. 105, during Feb., 17-20, (2004). 12. Effect of Solar Flares in the Modulation Process of Cosmic Rays for Solar Cycles 21 and 22 D. P. Tiwari, C. M. Tiwari and V.K. Mishra XIII National Space Science Symposium held at Kottayam, Kerala, 2, SPP-13, p. 63, during Feb., 17-20, (2004). 13. Anomalous Responses of Cosmic Ray Anisotropy during Different Phases of the Solar Cycle during 1993 and 1994 in Cosmic Ray Variation C. M. Tiwari, A. K. Pandey, G. K. Pandey D. P. Tiwari, S. K. Nigam and Sant P. Agrawal XIII National Space Science Symposium held at Kottayam, Kerala 3, SEC-05, p. 105, during Feb., 17-20, (2004). 14. Association of Solar flares with SSCs and Forbush decreases of Cosmic ray intensity. Neelam Singh, D.P. Tiwari, C.M. Tiwari and Pankaj K. Shrivastava XIII National Space Science Symposium held at Kottayam, Kerala 2 SPP-12, p. 63, during Feb., 17-20, (2004). 15. Participated in Joint training program on Maintenance of electronic instruments, held at USIC, A. P.S. University, Rewa July.5-10, (2004). 16. Study of day-to-day anisotropic variation of cosmic ray intensity C. M. Tiwari, A. K. Pandey, D. P. Tiwari,M P mishra,V K. mishra& P. K. Shrivastava, held at Bundel khand University, Jhansi, during Dec.7-10, Plasma- (2004). 17. Effect 0f solar wind plasma stream on cosmic ray daily variation C. M. Tiwari, G K Pandey and M P Mishra held at Bundel khand University, Jhansi, during Dec.7-10, Plasma- (2004). 18. Tri-diurnal component of cosmic ray daily variation during ascending phase of solar Cycle 23. M P mishra, C. M. Tiwari, Pankaj K.Shrivastava and D P Tiwari

8 held at Bundel khand University, Jhansi, during Dec.7-10, Plasma-(2004). 19. Comparative study of cosmic rays from high and low latitude stations C. M. Tiwari and Ajay K. Pandey Presented in 74rd annual session of the National Academy of Sciences, to be held at. Jaipur (BISR) during Dec. 2-4, (2004) 20. Anomalous response of cosmic ray diurnal variation during different phases of the solar cycle 22 C. M. Tiwari, Pankaj K. Shrivastava and G.N.Singh, 2nd Int. Plasma Conf. held at Goa, during (2005).

21. Solar plasma streams and cosmic ray modulations Pankaj K. Shrivastava, G.N.Singh and C. M. Tiwari 2nd Int. Plasma Conf. held at Goa, during (2005). 22. Correlative study of different solar parameters with sunspot numbers V.K. Mishra, D.P. Tiwari, C.M. Tiwari, Meera Gupta & S.P. Agrawal National Seminar on Solar- Terrestrial physics,APS Univ. Rewa Nov.30-Dec. 01, p. 30 ,(2004) 23. A recent report on daily variation of cosmic ray intensity. C.M. Tiwari, D.P. Tiwari &Ajay K. Pandey National Seminar on Solar- Terrestrial Physics, APS Univ. Rewa Nov.30-Dec. 01, p. 29 ,(2004) 24. Study of anomalies on anisotropic variation in cosmic ray intensity. D.P. Tiwari, C.M. Tiwari, V.K.Mishra &M.P. Mishra National Seminar on Solar- Terrestrial physics, APS Univ. Rewa Nov.30-Dec. 01, p. 28, (2004) 25. Magnetic cloud effects on cosmic ray intensity 1995 to 2000. M.P. Mishra, Pankaj K. Shrivastava, D.P. Tiwari & C.M. Tiwari National Seminar on Solar- Terrestrial physics, APS Univ. Rewa Nov.30-Dec. 01, p. 23, (2004) 26. Effect of solar wind plasma on cosmic ray diurnal anisotropy variation during 1986 to 1996. M.P. Mishra, D.P. Tiwari, C.M. Tiwari & Chandra Prabha Verma National Seminar on Solar- Terrestrial physics, APS Univ. Rewa Nov.30-Dec. 01, p. 2, (2004). 27. Relationship between solar activity and anisotropies of Cosmic Ray daily variation C. M. Tiwari and D. P. Tiwari 29th National Symp. On Plasma Sci. & Techno. SAE during Dec.2-5, Cochin University, Plasma-(2005). 28. Study of long-term variation of daily variation in cosmic ray intensity G. K. Pandey, C. M. Tiwari and D. P. Tiwari, 29th National Symp. On Plasma Sci. & Techno. SAE during Dec.2-5, Cochin University, Plasma-(2005). 29. Relationship between diurnal anisotropy from high and low cut-off rigidities stations C. M. Tiwari and D. P. Tiwari

9 XIV National Space Science Symposium held at Visakhapatnam, during 9-12, 3 AA- 44, 132, February (2006). 30. Study of solar wind plasma stream on cosmic ray daily variation D. P. Tiwari and C. M. Tiwari XIV National Space Science Symposium held at Visakhapatnam, during 9-12, 3AA- 45, 133, February (2006). 31. Anomalous changes in cosmic ray daily variation at neutron monitor energies with approaching solar minimum. C. M. Tiwari and Sant P. Agrawal XIV National Space Science Symposium held at Visakhapatnam, during 9-12, 3 AA- 43, 132, February (2006). 32. Study of diurnal and semi-diurnal variations on a day-to –day basis during 2004- 2005 G. K. Pandey, A. K. Pandey and C. M. Tiwari XIV National Space Science Symposium held at Visakhapatnam, during 9-12, 3 AA- 21, 126, February (2006). 33. Study of long-term variability with solar parameters and Cosmic Ray Intensity Neelam Singh, C. M. Tiwari, Pankaj K. Shrivastava and D. P. Tiwari XIV National Space Science Symposium held at Visakhapatnam, during 9-12, 3 AA- 20, 126, February (2006). 34. Correlated Variation in Anisotropies of low and high latitude Neutron Monitor with Rz G. K. Pandey, C. M. Tiwari and D. P. Tiwari 75th Annual Session of National Academy of Sciences, India, Index no. A/63/2005- Poster, Dec. 8-9, Pondicherry, (2005). 35. Bond and molecular properties of some polyatomic molecules C. M. Tiwari Int. Conf. on Perspectives in Vibrational Spectroscopy, held at Meerut Feb. 25-28, (2006). 36. Variability in third harmonic of cosmic ray daily variation for recent solar cycle 23 Chandra Mani Tiwari, Second M.P. Sci. Congress held at Bhopal, during 17-18 Dec. (2005). 37. Study of high amplitude events for the recent period 199 to 2004. C. M. Tiwari, G. K. Pandey and D. P. Tiwari International symposium on advances in Physics Feb. 25, held at Meerut, (2006).

38. Characteristics of high energy cosmic ray diurnal anisotropy on Day-To-Day Basis C. M. Tiwari and D. P. Tiwari ICRW, Aug. 25-27, (2006), Almaty city. 39. Average characteristics of diurnal variation of cosmic ray intensity for the solar cycle 22 to 23." C.M.Tiwari and D.P.Tiwari, National Symposium on Plasma Science & Technology to be held at (MNIT) Jaipur during 19th Dec. to 22 nd Dec., 2006.

10 40. Long term change in the diurnal anisotropy of cosmic radiation on a day-to –day basis for solar cycle 23 C. M. Tiwari, G. K. Pandey, A. K. Pandey and D. P. Tiwari 94th Session of Indian Science Congress to be held in Annamalainagar, Chidambaram, January 3 – 7, 2007. 41. Long-Term Study of Geoeffective Role of Interplanetary Plasma and Fields

Vidya Charan Dwivedi, C. M. Tiwari and S. P. Agrawal International conference on Challenges for solar cycle 24 held PRL Ahmedabad during 22-25 Ian. 2007. 42. Participated in DST sponsored workshop on Fundamentals and Applications of Plasmas held at Dept. of applied Physics Smart Ashok Technological Institute, Vidisha, M.P., Feb.19-24, 2007. 43. Magnetic Clouds and Their Influences on Cosmic Ray Intensity Variations during Solar Cycle 23. M. P. Mishra, C. M. Tiwari, D. P. Tiwari and Pankaj K. Shrivastava Accepted for presentation in ICRC 2007. 44. Eleven and 22-year variability of cosmic ray daily variation in conjunction with interplanetary parameters. C. M. Tiwari, Ajay K. Pandey, Rupesh Dwivedi, D. P. Tiwari and S. P. Agrawal Accepted for presentation in ICRC 2007. 45. Long-term relationship between cosmic ray intensity and solar wind velocity. D. P. Tiwari, C. M. Tiwari, Chandra Prabha Pandey, V. K. Rastogi and Pankaj K. Shrivastava. Accepted for presentation in ICRC, 2007. 46. Study of cosmic ray diurnal anisotropy with interplanetary magnetic field C. M. Tiwari, Pankaj K. Shrivastava and D. P. Tiwari nd SA-S-P PR-96_cmtiwari_SA-S-P, 22 National Symposium on Plasma Science and Technology (Plasma- 2007) 22 nd National Symposium on Plasma Science and Technology (Plasma- 2007). 47. Cosmic ray daily variation for the recent period of solar cycle 23 C. M. Tiwari, V. C. Dwivedi and D. P. Tiwari IHY workshop, ARIES, Nanital, 07-10, 2007. 48. Study of Cosmic Ray daily variation with Rz and Geomagnetic Disturbance Index Ap C. M. Tiwari and D. P. Tiwari National Symposium on Opportunities in solar Physics & Astronomy, CCS Univ. Meerut, Oct., 2007. 49. Long-Term Study of Geoeffective Role Of Interplanetary Plasma And Fields Vidya Charan Dwivedi, C. M. Tiwari and S. P. Agrawal Int. Conf. (IHY) held at Ahmedabad (PRL), 2007. 50. Attended DST, PAC meeting, Aug. 20, 2007. 51. Study of High Energy Cosmic Ray Anisotropies with Solar and Geomagnetic Disturbance Index. C. M. Tiwari and D. P. Tiwari XV National Space Science Symposium held at Ooty, during 26-29, February (2008).

11 52. Variability of cosmic ray diurnal variation in conjunction with solar and interplanetary parameter during solar cycle 23. C. M. Tiwari, G. K. Pandey, M. P. Mishra and D. P. Tiwari XV National Space Science Symposium held at Ooty, during 26-29, February (2008).

12 53. Comparative Study of Magnetic Cloud Event of October 1995 with Magnetic Cloud Event of July 1996. M.P. Mishra, C.M. Tiwari, Pankaj K. Shrivastava and D.P. Tiwari XV National Space Science Symposium held at Ooty, during 26-29, February (2008). 54. Long-term variations of solar activity C.M. Tiwari, Simranjit Kaur and D.P. Tiwari Evershed meeting , Banglore, 2008. 55. Association of long-term solar and magnetic field variation with cosmic ray daily variation C. M. Tiwari, Pankaj K. Shrivastava and D. P. Tiwari 24th National Symposium On Plasma Science & Technology , December 8-11, 2009 National Institute Of Technology, Hamirpur (Himachal Pradesh). 56. Association of first two components of Cosmic ray anisotropic variation with solar and geomagnetic indices. C. M. Tiwari D. P. Tiwari, and Pankaj K. Shrivastava 16th national space science symposium (nsss-2010),p.137, february 24- 27, 2010 Surashtra Uiversity Rajkot(Gujarat).

(Dr. C. M. Tiwari)