Polling is underway on Wednesday for 25 Lok Sabha and 175 Assembly seats in Seemandhra amid sporadic clashes between activists of rival parties, officials said.
Long queues were seen since early morning at many polling stations in 13 districts.
Technical snag in EVMs delayed start of the polling at few places. Chief Electoral Officer Bhanwarlal said the faulty EVMs were replaced within few minutes.
About 10 per cent votes were polled in the first two hours at 40,709 polling stations.
Tension prevailed at some polling stations in Kadapa, Anantapur, Chittoor and Guntur districts due to clashes between activists of the YSR Congress Party (YSRCP) and the Telugu Desam Party (TDP).
As many as 335 candidates are in the fray for the Lok Sabha elections while 2,241 contestants are testing their political fortunes in the Assembly polls.
Polling, which began at 7 am, will conclude at 4 pm in two Maoist-affected Assembly constituencies and at 5 pm in eight segments. In the remaining 165 constituencies, the polling will end at 6 pm.
Over 100,000 police personnel and 272 companies of central paramilitary forces have been deployed as part of the massive security arrangements.
The most prominent among the contestants for Lok Sabha elections are cabinet ministers and Congress leaders Kishore Chandra Deo (Araku) and Pallam Raju (Kakinada), YSR Congress honorary president Y.S. Vijayamma (Visakhapatnam) and former central minister D. Purandeswari of BJP (Rajampet).
In the assembly polls for Seemandhra region, Telugu Desam Party president N. Chandrababu Naidu is contesting from Kuppam Assembly constituency.
YSR Congress president Y.S. Jagan Mohan Reddy is fighting his first-ever Assembly election from the family stronghold Pulivendula.