Where was Talvar filmed?
2015 film directed by Meghna Gulzar
Talvar (2015) was filmed in Noida, 1 place named in its Wikipedia article's Casting and filming section, in India. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.
Places per Wikipedia's Casting and filming section
Wikipedia’s Casting and filming section names 1 place. Each links to the sentence that says so.