I.S. Johar was born on 16 February 1920 in Talagang (now Pakistan), British India. He completed MA degree in Economics and Politics before completing his LLB. In 1947, during the Partition crisis, Johar was visiting Patiala with his family for a wedding, when riots broke out back home in Lahore. He could never go back, and thereafter he worked in Jalandhar for a while, and his family remained in Delhi, before he eventually moved to Bombay, where he made his acting debut with Roop K Shorey's, Ek Thi Ladki (1949).