His published work includes over 200 short stories, two novels namely Surg Munhje Baahun Mein (Heaven in My Arms; 1964) and Khaali Haath (Empty Hands; 1969), a collection of short stories entitled Parai Aurat (The Other Woman; 1970) and a collection of poems named Munhje Paachhe jo Hik Hisso (1972).

The author countered that the name on her grave, written in Urdu, was Mumtaz Jehan Begum Dehlavi.

[10] In the unofficial biography, published in 1996, he claims that Madhubala's husband Kishore Kumar regularly whipped her, who would later show her lashes to Naushad.

Deep claims that Madhubala was forced to wear heavy shackles and whipped mercilessly in real life, and during the shooting of additional unreleased footage for the classic Mughal-e-Azam (1960), which he contends is proven by the fact that only a minor part of the total number of reels shot for the film were released to the public.

[11] The book was heavily criticized on its release by industry veterans such as Shammi Kapoor, Shakti Samanta and Paidi Jairaj.

As a part of a trilogy, in 1999, Deep wrote Eurekha!, an unauthorized biography of Bollywood actress Rekha, with Shivani Publications.

It was inspired by the revelations about the illegitimate child of the first prime minister of India, Jawaharlal Nehru, by his private secretary M. O. Mathai.

Much before feng shui became popular in India, he had started experimenting with the ancient oriental philosophy and science of Geomancy.

[20] He was also the editor of an English news-weekly Suvidha Express for over two years and then moved to edit and write for filmtvindia.com, a Bollywood related web site.