ISSN 0041-77OX The Journal of the United Service Institution of India Published by Authority of the Council (Established : 1870) Postal Address : Rao Tula Ram Marg, (opposite Signals Enclave) Post Bag No 8, Vasant Vihar PO, New Delhi-110057 Telephone Nos. : Exchange - +91-11-20862314/ +91-11-20862320/ +91-11-20862321 DD (Adm) +91-11-20862316 DD&E +91-11-20862315 DD (Research) +91-11-20862326 Secretary (CAFHR) +91-11-20862327 Course Section +91-11-20862318, CI +91-11-20862325 Fax: +91-11-20862324 e-mail:
[email protected] [email protected] [email protected] [email protected] [email protected] [email protected] [email protected] Website: www.usioflndia.org Vol CXLIX January-March 2019 No 615 USI Journal is published quarterly in April, July, October and January. Subscription per annum w.e.f. 01 Jan 2016 : In India Rs. 1100.00. Postage extra (Rs 160 for four issues). Subscription should be sent through Bank Draft/Local/Multicity Cheque in favour of Director USI of India. Articles, correspondence and books for review should be sent to the Editor. Advertisement enquiries should be addressed to the Deputy Director (Adm). Overseas annual subscription (By Air Mail) - £ 50 or US $ 80 (i) UNITED VICE PATRONS General Bipin Rawat, PVSM, UYSM, AVSM, YSM, SM, VSM, ADC SERVICE Chief of the Army Staff INSTITUTION Admiral Sunil Lanba, PVSM, AVSM, ADC, OF INDIA Chairman COSC and Chief of Naval Staff Air Chief Mshl BS Dhanoa, PVSM, AVSM, YSM, VM, ADC Chief of the Air Staff COUNCIL for President Lt Gen PS Rajeshwar, AVSM, VSM the furtherance