"After so many years, I got the opportunity to pay my respect to both of them along with my entire cast of 'Article 15'. It was such a gratifying experience," he added.
Sinha is currently shooting his next "Article 15" in Uttar Pradesh. Actor Ayushmann Khurrana will be seen essaying the role of a police officer in the film.
Article 15 of the Indian Constitution is about prohibition of discrimination on grounds of religion, race, caste, sex or place of birth. The film, produced by Benaras Media Works, went on the floors on March 1.
In the film, while Khurrana will essay the principal protagonist, the supporting cast comprises Isha Talwar, Manoj Pahwa, Sayani Gupta, Kumud Mishra, M. Nasser, Ashish Verma, Sushil Pandey, Subrajyoti Bharat, Ronjini Chakraborty and Zeeshan Ayub.