Sankaranarayana began his political entry by joining Telugu Desam Party in 1995. He became Municipal councillor of Dharmavaram in 2005. He joined YSR Congress Party in 2011. In 2014 assembly elections he contested from Penukonda seat was defeated^[4][5][6] by B K Parthasarathi of TDP, with 17,415 margin. But in 2019 elections he was elected as an MLA^{[7][8][9][10]} and got cabinet minister^{[11][12][13][14][15]} post. He is serving as minister for BC welfare.^[16][17][18] He is continuing as Anantapur district YSRCP president since 2012. On 22 July 2020 he has been allotted the Roads and Buildings department^[19][20] in Cabinet reshuffle. In April 2022 he was dropped^[21][22][23] from Cabinet during reshuffle. Later he was appointed^{[24][25][26][27]} as YSRCP Sri Sathya Sai district chief.