A TDP leader’s son rammed his car into a head constable for trying to stop his vehicle with barricades near the district police headquarters in Kakinada on Sunday. The incident came to light on Friday, when the Kakinada Police arrested the college student and produced him before the media. The accused, Sidda Srinivas, is a B Tech III year student of Aditya Engineering College in Kakinada and hails from Thondangi mandal headquarters town in the district. His father Sidda Satyanarayana is the mandal president of the TDP.