Question: Who was the first commander in chief of the participant in Tangail Airdrop after independence?

full_context: Document 1: List of active duty United States four-star officers: Position Photo Incumbent Army staff Chief of Staff of the Army (CSA) GEN Mark A. Milley Vice Chief of Staff of the Army (VCSA) GEN James C. McConville Army commands Commanding General, U.S. Army Forces Command (FORSCOM) GEN Robert B. Abrams Commanding General, U.S. Army Materiel Command (AMC) GEN Gustave F. Perna Commanding General, U.S. Army Pacific (USARPAC) GEN Robert B. Brown Commanding General, U.S. Army Training and Doctrine Command (TRADOC) GEN David G. Perkins
Document 2: Tangail Airdrop: The Tangail Airdrop was an airborne operation mounted on 11 December 1971 by the 2nd Battalion of the Indian Army's Parachute Regiment during the Indo-Pakistani War of 1971. The main objective of the operation was the capture of Poongli Bridge on the Jamuna River which would cut off the Pakistani 93rd Brigade which was retreating from the north to defend Dhaka and its approaches. The paratroop unit was also tasked to link up with the advancing Maratha Light Infantry on the ground to advance towards the East Pakistani capital.
Document 3: Indo-Pakistani War of 1971: By the end of April 1971, Prime Minister Indira Gandhi had asked the Indian army chief General Sam Manekshaw if he was ready to go to war with Pakistan. According to Manekshaw's own personal account, he refused, citing the onset of monsoon season in East Pakistan and also the fact that the army tanks were in the process of being refitted. He claimed that he offered to resign, which Indira Gandhi declined. He then said he could guarantee victory if she would allow him to prepare for the conflict on his terms, and set a date for it and Prime Minister Indira Gandhi accepted his conditions. In reality, Indira Gandhi was well aware of the difficulties of a hasty military action but she needed to get the military's views to satisfy her hawkish colleagues and the public opinion, which were critical of India's restraint.
Document 4: 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 5: Indian Air Force: In 1984, India launched Operation Meghdoot to capture the Siachen Glacier in the contested Kashmir region. In Op Meghdoot, IAF's Mi-8, Chetak and Cheetah helicopters airlifted hundreds of Indian troops to Siachen. Launched on 13 April 1984, this military operation was unique because of Siachen's inhospitable terrain and climate. The military action was successful, given the fact that under a previous agreement, neither Pakistan nor India had stationed any personnel in the area. With India's successful Operation Meghdoot, it gained control of the Siachen Glacier. India has established control over all of the 70 kilometres (43 mi) long Siachen Glacier and all of its tributary glaciers, as well as the three main passes of the Saltoro Ridge immediately west of the glacier—Sia La, Bilafond La, and Gyong La. Pakistan controls the glacial valleys immediately west of the Saltoro Ridge. According to TIME magazine, India gained more than 1,000 square miles (3,000 km2) of territory because of its military operations in Siachen.
Document 6: Operation Chengiz Khan: Operation Chengiz Khan was the code name assigned to the preemptive strikes carried out by the Pakistani Air Force (PAF) on the forward airbases and radar installations of the Indian Air Force (IAF) on the evening of 3 December 1971, and marked the formal initiation of hostilities of the Indo-Pakistani War of 1971. The operation targeted 11 of India's airfields and also included artillery strikes on Indian positions in Kashmir. The targets were the Indian Airbases of Amritsar, Ambala, Agra, Awantipur, Bikaner, Halwara, Jodhpur, Jaisalmer, Pathankot, Bhuj, Srinagar and Uttarlai and air defence radars at Amritsar and Faridkot.
Document 7: 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:
Document 8: 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 9: Governor-General of India: Upon independence in August 1947, the title of Viceroy was abolished. The representative of the British Sovereign became known once again as the Governor-General. C. Rajagopalachari became the only Indian Governor-General. However, once India acquired independence, the Governor-General's role became almost entirely ceremonial, with power being exercised on a day-to-day basis by the Indian cabinet. After the nation became a republic in 1950, the President of India continued to perform the same functions.
Document 10: Operation Jackal: Operation Jackal, or alternatively Operation June Dawns, commenced on 7 June 1992. The attacking HV/HVO force moved east and north from Čapljina towards Stolac and Mostar aiming to push the VRS back from the Neretva River and capture positions around Mostar. The HV/HVO force captured the first objective of the offensive, the town of Tasovčići located across the Neretva River, opposite Čapljina, on 8 June. The HV component of the force which captured Tasovčići, the 156th Infantry Brigade, was detached from the force tasked with continued advance to capture Klepci and Prebilovci to protect the right flank of the Neretva bridgehead. The HV 116th Infantry Brigade held the Neretva River valley south of the bridgehead and east of Metković.
Document 11: 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 12: 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 13: 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 14: 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 15: Battle of Basantar: The Battle of Basantar or the Battle of Barapind (December 4–16, 1971) was one of the vital battles fought as part of the Indo-Pakistani War of 1971 in the western sector of India. The Indian troops won a hard fought battle that secured this area in the Punjab/Jammu sector. The name Battle of Basantar actually encompasses the entire gamut of battles and skirmishes fought in the Shakargarh sector.
ground_truth: Rob Lockhart
sub_queries: Tangail Airdrop >> participant Answer: Indian Army
first commander in chief of Indian Army after independence Answer: Rob Lockhart