Sridhar continued on writing for films like Maaman Magal, Maheswari, Amara Deepam, Maadharkula Manikkam, Engal Veetu Mahalakshmi, Yaar Paiyan, Manjal Mahimai, Uthama Puthiran and Punar Jenmam.

[3] In 1956, Sridhar turned producer along with associates Krishnamoorthi, Govindarajan and Sundararajan in Venus Pictures where he scripted Amara Deepam and followed by Uthama Puthiran.

[4] He started his own production company Chitralaya (the emblem was designed by Art director Ganga) in 1961 with his friends Gopu, A. Vincent, P. N. Sundaram and Tiruchi Arunachalam made Then Nilavu.

[5] He made a series of commercially successful films like Nenjil Or Aalayam, Kaadhalikka Neramillai, Vennira Adai and many more.

[citation needed] Sridhar was known as Nava-rasa-director, as he made films in a variety of styles, from the comedy Kaadhalikka Neramillai to the serious Kalai-kovil and Nenjil Or Aalayam.

The latter was remade in Hindi with Rajendra Kumar and Meena Kumari as Dil Ek Mandir which earn him two nomination at Filmfare Awards, Best Director and Best Story categories.

He brought out the best in comedians T. R. Ramachandran, K. A. Thangavelu, and Nagesh, and helped introduce Murthy and Nirmala to a wider audience in Vennira Aadai.

Sridhar helped launch the career of many celebrities in Tamil cinema, namely, Saroja Devi in Kalyaana Parisu, R. Muthuraman and Devika in Nenjil Or Aalayam, Srikanth, J. Jayalalithaa, Vennira Aadai Nirmala and Vennira Aadai Moorthy in Vennira Adai (White Dress), Ravichandran, Kanchana and Rajasree in Kaadhalikka Neramillai, Kamal and Rajini in Ilamai Oonjal Aadigirathu, Karthik and Gigi in Ninaivellaam Nithya, Jayashree in Thendralae Ennai Thodu and Vikram in Thanthu Vitten Ennai.

Nazrana, starring by Raj Kapoor, Vyjayanthimala, Usha Kiran and Gemini Ganesan in guest appearance, earned him Filmfare Award for Best Story.The landmark film Nai Roshni directed by him in Hindi had Ashok Kumar, P. Bhanumati, Mala Sinha, Biwajeet and Raajkumar in lead roles and became the 7th highest-grossing film of the year 1967 in Hindi.

The formidable Sridhar – Kannadasan – M. S. Viswanathan combination held a magic spell on the audience and the songs contributed to the tremendous success of those films.