General Dalbir Singh Suhag, (born 28 December 1954) was the 26th Chief of the Army Staff (COAS) of the Indian Army, who assumed office on 31 July 2014, following the retirement of General Bikram Singh.
 He served as the Vice Chief of the Army Staff (VCOAS) before taking charge as Chief of the Army Staff.
 He retired on 31 December 2016.
General Gopal Gurunath Bewoor, Padma Bhushan, PVSM (11 August 1916 – 24 October 1989) was an officer of the Indian Army who served as the 9th Chief of Army Staff.
 In a long service spanning four decades, Gen. Bewoor saw action during World War II and later was involved in Indian Army operations during the 1965 as well as 1971 Indo-Pakistani war.
 He succeeded Field Marshal Sam Manekshaw as the Army chief in January 1973 and following his retirement from the army, served as the Indian Ambassador to Denmark till 1979.
 He was a recipient of the third highest Indian civilian honour of the Padma Bhushan.
The Indian Army is the land-based branch and the largest component of the Indian Armed Forces.
 The President of India is the Supreme Commander of the Indian Army, and it is commanded by the Chief of Army Staff (COAS), who is a four-star general.
 Two officers have been conferred with the rank of field marshal, a five-star rank, which is a ceremonial position of great honour.
 The Indian Army originated from the armies of the East India Company, which eventually became the British Indian Army, and the armies of the princely states, which finally became the national army after independence.
 The units and regiments of the Indian Army have diverse histories and have participated in a number of battles and campaigns across the world, earning a large number of battle and theatre honours before and after Independence.
General Bipin Chandra Joshi, PVSM, AVSM, ADC (5 December 1935 – 19 November 1994) was the 17th Chief of Army Staff (COAS) of the Indian Army.
 He was born in Pithoragarh, Uttarakhand.
General Om Prakash "OP" Malhotra, PVSM (6 August 1922 – 29 December 2015) was an Indian Army General.
 He was the 13th Chief of Army Staff of the Indian Army from 19781981.
 He also served as the Ambassador of India to Indonesia from 19811984, and Governor of Punjab and Administrator of Chandigarh from 19901991.
The Vice Chief of the Army Staff is second in command of the Indian Army next to Chief of the Army Staff.
 He is responsible for operation and army related tasks.
 As of January 2017, the post was held by Sarath Chand succeeding Bipin Rawat.
General Paramasiva Prabhakar Kumaramangalam, DSO, MBE (1 July 1913 – 13 March 2000) was the 7th Chief of the Army Staff (COAS) of the Indian Army from 1967 to 1970.
 He was among the last of the King's Commissioned Indian Officers trained in England in the Indian Army, and the last KCIO Indian Army Chief.
General Vishwa Nath Sharma, PVSM, AVSM, ADC was the 15th Chief of the Army Staff of the Indian Army.
 He is the younger brother of the late Major Som Nath Sharma, recipient of Independent India's first posthumous Param Vir Chakra, and also Lieutenant General Surendra Nath Sharma, formerly Engineer in Chief of the Indian Army.
 Both brothers were educated at the Prince of Wales' Royal Indian Military College, Dehradun.
General Bipin Rawat, UYSM, AVSM, YSM, SM, VSM, is the 27th Chief of Army Staff of the Indian Army.
 He assumed office on 31 December 2016 after retirement of General Dalbir Singh.
Ashfaq Parvez Kayani, (Urdu: ‎ , born 20 April 1952; NI(M), HI), is a retired four-star rank army general in the Pakistan Army who served as the Chief of Army Staff from 29 November 2007 to 29 November 2013.
 He succeeded General Pervez Musharraf as the chief of army staff on 29 November 2007.
 He also held the acting charge of Chairman of the Joint Chiefs of Staff Committee from October to November 2013.
 In addition, General Kayani served as the Director-General of the Inter-Services Intelligence ("ISI") and as director of the Directorate-General of Military Operations (DGMO).
 On 24 July 2010, Prime Minister Yousaf Raza Gillani extended Kayani's term as Chief of the Army Staff by three years, making him the first four-star officer to receive a term extension from any democratic government.

Question: Who succeeded 27th Chief of Army Staff Bipin Rawat in the Indian Army to be responsible for operation and army related tasks?
Answer: Sarath Chand