The correct option is D Vanit Nalwa
On February 23, the Director General of National Archives of India (NAI) Pritam Singh launched a Book reading series -Archives Reads in New Delhi to showcase importance of archival records. This Book Reading Series commenced with the book titled Hari Singh Nalwa: Champion of the Khalsaji 1791-1837 authored by Dr. Vanit Nalwa, a senior consultant Psychologist. This book chronicles the life and times of Sardar Hari Singh Nalwa, one of the great pillars of Maharaja Ranjit Singhs empire. Hari Singh Nalwa was the commander-in-chief of the Sikh army along its border with Afghanistan.