Yarlagadda Sivarama Prasad

He established the Andhra Scientific Company. It manufactured precise scientific instruments and was later acquired by Bharat Electronics in 1982. He also financed new sugar mills and factories in Vuyyuru and in Rayagada, Orissa.

In politics, Sivarama Prasad was affiliated with the Indian National Congress, was the Minister of Health for Andhra Pradesh during the 1960s and was elected as an MLA from Krishna District.

Sivarama Prasad financed Pattabhi Sitaramayya's Andhra Bank. He set up the production company Sarathi Films in 1938, which produced successful films like Mayalokam (1945) and Rojulu Marayi (1955). He also established the film studio complex Sarathi Studios in Hyderabad in 1956. It was the first film studio facility built in Hyderabad.

In the financial and industrial sector, Sivarama Prasad financed Bhogaraju Pattabhi Sitaramayya's Andhra Bank. He also set up Sarathi Films in 1938, which produced many successful films like Mayalokam (1945) and Rojulu Marayi (1955). Following the success of the latter film, Sivarama Prasad used the money to buy twelve acres of land with a building in Hyderabad owned by Kishen Pershad, the prime minister of Hyderabad State, to build a film studio in 1956. He also established the Andhra Scientific Company. This company manufactured precise scientific instruments and was later acquired by Bharat Electronics in 1982. He also financed new sugar mills and factories in Vuyyuru and in Rayagada, Odisha.

Yarlagadda Sivarama Prasad (3 April 1903 - 1976), also known as Challapalli Raja, was an Indian aristocrat, industrialist, politician, film producer, and film studio owner. He was the last hereditary zamindar of the Challapalli Samasthanam (estate). In politics, Sivarama Prasad was affiliated with the Indian National Congress. He served as the Minister of Health for Andhra Pradesh during the 1960s and was elected as an MLA from Krishna District.

Yarlagadda Sivarama Prasad was born to Raja Yarlagadda Ankineedu Prasad, the ruler of the Challapalli Samasthanam (estate), and his wife on April 3, 1903. The Challapalli Samasthanam was one of the largest in the Madras State and consisted of towns in Diviseema and other coastal parts of Krishna District surrounding Machilipatnam. Sivarama Prasad had a brother, S. R. Y. Ramakrishna Prasad and a sister named Rajya Lakshmamma, who later married the Raja of Muktyala. Sivarama Prasad was crowned on December 26, 1929, an event attended by many Telugu and Sanskrit scholars who advised the new zamindar on how to manage the estate's affairs.