Gulzar's 1975 film Aandhi, starring Sanjeev Kumar and Suchitra Sen, is celebrated for its emotional depth and timeless music. The film explored themes of sacrifice, ambition, and love, with the lead actors' chemistry leaving a lasting impact. Interestingly, Gulzar and Sen addressed each other as 'Sir' throughout the shoot, conversing in Bengali, a testament to their unique professional bond.