Question: After independence, who was the first commander in chief of the military branch that includes the Corps of Signals?

full_context: Document 1: Governor-General of India: Governor - General of India Standard of the Governor - General Louis Mountbatten, the last Viceroy of India & the first governor - general during the dominion period Style His Excellency Residence Viceroy's House Appointer East India Company (to 1858) Monarch of India (from 1858) Formation 20 October 1774 First holder Warren Hastings Final holder Chakravarthi Rajagopalachari Abolished 26 January 1950
Document 2: Telecommunications in India: Telecommunications in India began with the introduction of the telegraph. The Indian postal and telecom sectors are one of the worlds oldest. In 1850, the first experimental electric telegraph line was started between Calcutta and Diamond Harbour. In 1851, it was opened for the use of the British East India Company. The Posts and Telegraphs department occupied a small corner of the Public Works Department, at that time.
Document 3: Governor-General of India: Viceroy and Governor - General of India Standard of the Governor - General Louis Mountbatten, the last Viceroy of India & the first Governor - General during the dominion period Style His Excellency Residence Viceroy's House Appointer East India Company (to 1858) Monarch of India (from 1858) Formation 20 October 1774 First holder Warren Hastings Final holder Chakravarthi Rajagopalachari Abolished 26 January 1950
Document 4: Army Aviation Corps (India): The Army Aviation Corps is a component of the Indian Army, formed on 1 November 1986. The aviation arm is headed by a Director General of the rank of Lt General at the Army HQ, New Delhi.
Document 5: Chief of Army Staff (Pakistan): In 1969, the title of the army command was changed from ``Commander - in - Chief ''to`` Chief of Staff'' with President Yahya Khan acting as Commander - in - Chief and General A.H. Khan as Chief of Staff. On 20 March 1972, the post was renamed as ``Chief of Army Staff ''(COAS) with Lieutenant - General Tikka Khan elevated to four star rank to be appointed as army's first chief of army staff.
Document 6: Telecommunications in India: Pre-1902 -- Cable telegraph 1902 -- First wireless telegraph station established between Sagar Island and Sandhead. 1907 -- First Central Battery of telephones introduced in Kanpur. 1913 -- 1914 -- First Automatic Exchange installed in Shimla. 1927 -- Radio - telegraph system between the UK and India, with Imperial Wireless Chain beam stations at Khadki and Daund. Inaugurated by Lord Irwin on 23 July by exchanging greetings with King George V. 1933 -- Radiotelephone system inaugurated between the UK and India. 1953 -- 12 channel carrier system introduced. 1960 -- First subscriber trunk dialling route commissioned between Lucknow and Kanpur. 1975 -- First PCM system commissioned between Mumbai City and Andheri telephone exchanges. 1976 -- First digital microwave junction. 1979 -- First optical fibre system for local junction commissioned at Pune. 1980 -- First satellite earth station for domestic communications established at Sikandarabad, U.P.. 1983 -- First analogue Stored Programme Control exchange for trunk lines commissioned at Mumbai. 1984 -- C - DOT established for indigenous development and production of digital exchanges. 1995 -- First mobile telephone service started on non-commercial basis on 15 August 1995 in Delhi. 1995 -- Internet Introduced in India starting with Laxmi Nagar, Delhi 15 August 1995
Document 7: Chief of the Army Staff (India): No. Name Rank Photo Appointment Date Left Office Unit of Commission Decorations Rob Lockhart General 15 August 1947 31 December 1947 51st Sikhs KCB, CIE, MC Roy Bucher General 1 January 1948 15 January 1949 Cameronians (Scottish Rifles) KBE, CB, MC Kodandera M. Cariappa General 16 January 1949 14 January 1953 Rajput Regiment OBE Rajendrasinhji Jadeja General 14 January 1953 1 April 1955 2nd Lancers (Gardner's Horse) DSO
Document 8: 141st Signal Battalion (United States): 141st Signal Battalion ("The Communicators") was a United States battalion which deployed to install, operate and maintain C4I systems in support of 1st Armored Division operations, major subordinate commands and attached units as required.
Document 9: SCR-108: The SCR-108 Radio Truck was a mobile Signal Corps Radio used by the United States Army during and after World War I for short range air-to-ground communications,
Document 10: Indian Army Service Corps: Indian Army Service Corps (IASC) is a corps and an arm of the Indian Army, which handles its logistic support function. While the history of supply and transport services is as old as the history of organized warfare itself it was in 1760 that the very rudimentary supply and transport organizations of the three presidencies of the East India Company were brought under the council of a single authority. The corps celebrated 258 years of its raising on 8 December 2018.
Document 11: History of the United States Air Force: Aeronautical Division, Signal Corps (1 August 1907 -- 18 July 1914) Aviation Section, Signal Corps (18 July 1914 -- 20 May 1918 Division of Military Aeronautics (20 May 1918 -- 24 May 1918) Air Service, U.S. Army (24 May 1918 -- 2 July 1926) U.S. Army Air Corps (2 July 1926 -- 20 June 1941) * U.S. Army Air Forces (20 June 1941 -- 17 September 1947) * *
Document 12: Chief of the Air Staff (India): Chief of the Air Staff is the professional head and the commander of the Indian Air Force. The position is abbreviated as CAS in the Indian Air Force cables and communication, and is usually held by a four - star air officer of the rank Air Chief Marshal. The current CAS is Air Chief Marshal Birender Singh Dhanoa who took office on 31 December 2016, following the retirement of Air Chief Marshal Arup Raha.
Document 13: Indian Army Corps of Signals: Indian Army Corps of Signals is a corps and an arm of the Indian Army, which handles its military communications. It was formed on 15 February 1911 as a separate entity under Lieutenant Colonel S H Powell, and went on to make important contributions to World War I and World War II. The corps celebrated its 100-year anniversary of its raising on 15 February 2010.
Document 14: Chief of Army Staff (Pakistan): The Chief of Army Staff (Urdu: سربراہ پاک فوج ‎ ‎) (reporting name: COAS), is a military appointment and statutory office held by the four - star rank army general in the Pakistan Army, who is appointed by the Prime Minister of Pakistan and final confirmation by the President of Pakistan.
Document 15: Indo-Pakistani War of 1971: The Indian Army Chief in 1971 Field Marshal Sam Manekshaw had the highest respect for the fighting capability of the Pakistan Army but he did not accept the theory that they did not fight the Bangladesh war with enough vigor and zeal. In a BBC interview, he said:
ground_truth: Rob Lockhart
sub_queries: Corps of Signals >> military branch Answer: Indian Army
first commander in chief of Indian Army after independence Answer: Rob Lockhart