The correct answer is (d), Anil Baijal.
Anil Baijal is the 22nd and current Lieutenant Governor of Delhi. He was appointed to the position on 28 May 2016 by the President of India, Pranab Mukherjee. He is a retired Indian Administrative Service officer of the 1970 batch. He has served in various positions in the Government of India, including as Secretary to the Government of India in the Ministry of Urban Development and the Ministry of Home Affairs. He has also served as the Chief Secretary of the Union Territory of Puducherry.
Kiran Bedi is a retired Indian Police Service officer who served as the first woman to head the Delhi Police. She is also a social activist and politician. She was appointed the Lieutenant Governor of Puducherry in 2016, but resigned in 2017.
Tejendra Khanna is a retired Indian Administrative Service officer who served as the Chief Secretary of Delhi from 2007 to 2013. He is also a former Vice-Chancellor of the University of Delhi.
Najeeb Jung was the 21st Lieutenant Governor of Delhi. He was appointed to the position on 23 December 2013 by the President of India, Pranab Mukherjee. He resigned from the position on 28 May 2016.