Voting for bypolls in the Mungaoli and Kolaras Assembly seats of Madhya Pradesh began at 8 am on Friday, a poll official said.
The Electronic Voting Machines (EVMs) will carry pictures of candidates along with their names — when by-elections are held in Rajasthan on 29 January.
The Election Commission of India was caught in a tight spot over its decision to carry out repoll on 38 polling stations at Srinagar's parliamentary seat.
Petitions challenging the election of Tamil Nadu Chief Minister Jayalalithaa to the assembly in a byelection have been filed in the Madras High Court.
Gloating over its by-poll victory against Narayan Rane, Shiv Sena said those who dare to come into the backyard of Thackerays' Matoshree "will be buried".