The correct answer is (d) Vipin Chandra Joshi.
Vipin Chandra Joshi is an Indian Administrative Service (IAS) officer of the 1985 batch. He is the current Chief Secretary of Uttarakhand. He has held various positions in the government of India, including Secretary to the Government of India in the Ministry of Home Affairs and the Ministry of Finance. He has also served as the Chief Secretary of the states of Uttar Pradesh and Madhya Pradesh.
Lt. Gen. (Retd.) Gurmeet Singh is a retired Indian Army officer. He served as the Chief of Army Staff of the Indian Army from 2016 to 2017. He is the first Sikh to hold the position of Chief of Army Staff.
Sukhbir Singh Sandhu is an Indian politician. He is the President of the Shiromani Akali Dal (SAD) and the Leader of the Opposition in the Punjab Legislative Assembly. He is the son of former Chief Minister of Punjab Parkash Singh Badal.
Surjeet Singh Barnala was an Indian politician. He was the Chief Minister of Punjab from 1985 to 1990 and from 1997 to 2002. He was also the President of the All India Congress Committee (AICC) from 1992 to 1996.