Where was Kochauvva Paulo Ayyappa Coelho filmed?
2016 film directed by Sidhartha Siva
Kochauvva Paulo Ayyappa Coelho (2016) was filmed in Bengaluru, Thiruvananthapuram and Pollachi, 3 places named in its Wikipedia article's Production 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 Production section
Wikipedia’s Production section names 3 places. Each links to the sentence that says so.

