There are a total of 28,880,850 voters in the state.
Polling for the remaining 11 Lok Sabha seats and 77 assembly seats would be held in the second phase April 17.
Security was tight, and paramilitary personnel and police have been deployed in vulnerable areas to ensure trouble-free polling.
Defying boycott call given by Maoists, people came to exercise their franchise in the southern districts of Koraput, Malkangiri, Rayagada, Kalahandi and Kandhamal.