Amshan Kumar has made more than twenty five documentaries including Badal Sircar`s Third Theatre, Modern Art in Tamil Nadu,[11] Mangrove Forests, Nobel Laureate C.V.Raman, U.Ve.Saminatha Iyer, Tamil Poet Subramania Bharati[12] and Manakkal S.Rangarajan.

His first directorial feature film in Tamil Oruththi selected for was shown in Indian Panorama based on a short novel by the renowned writer Ki.

It won the best film awards from Government of Pondicherry and Tamil Association of New Jersey.

[13] His documentary on the Tavil Maestro Yazhpanam Thedchanmoorthy won the national award for the best arts/ cultural film in 2015.

[3] It is the first Tamil non-feature film to win a National Award in 17 years.