Navin's first marriage was to Dev Anand's niece Neelu Kapur, sister of Shekhar Kapur. Navin later married divorcee Geetanjali. On 24 April 2006, Geetanjali hanged herself at her residence. She blamed Navin and his brother Pravin for her suicide. Nischol died of a heart attack on 19 March 2011 en route from Mumbai to Pune. He was 64 years old.