He is known for his insightful analysis of the social aspects of cinema and their artistic fulfillment. His writings and reviews on film and media, in English and Malayalam has been published in journals such as Deep Focus, Film International, Cinema in India, Bhashaposhini, Pachakuthira, Indian Express, The Hindu, Mathrubhumi and Madhyamam. His column "Rumblestrip" in Indian Express talked about film and the media scene in Kerala. He published a book on filmmaker K R MohananSamanthara Yathrakal – K R Mohanante Cinema and with Lalit Mohan Joshi edited a book on filmmaker Adoor Gopalakrishnan, A Door to Adoor. Three books, containing Venkiteswaran's collection of articles that take a critical look at major trends and milestones in Malayalam cinema, were published by DC Books at the DC International Book Fair and Cultural Fest, 2011. The book Malayala Cinema Padanangal won a Special Jury Mention in the State film awards for the year 2011. He has interviewed film personalities including Adoor Gopalakrishnan, T.V. Chandran and Werner Herzog. He is a documentary filmmaker and won the National Award for Best Arts/Cultural Film in 1995 along with M.R. Rajan for Pakarnattam – Ammannur, The Actor, the lyrical cinematic documentation of the life of Ammannur Madhava Chakyar, the exponent of the ancient classical Sanskrit theatrical artform of 'Koodiyattam'. This film won the Kerala State Award for the Best Documentary category in the same year. His article "Tea-shops In Mayalam Cinema" was included in the revamped Kerala SCERT Class X English textbook in 2011. He is the Artistic Director of the Signs film festival for short films and documentaries. He was a jury member for best writing on cinema at the 60th National Film Awards. In July 2018, he resigned from the Kerala State Chalachitra Academy as a gesture of protest against the state government's decision to invite a superstar as the chief guest for the event as well as the anti-women stance taken up by the organisation Association of Malayalam Movie Artistes, of which Mohanlal is the president.
