Mizo National Front (MNF), Mizoram Peoples Conference (MPC), Zoram Nationalist Party (ZNP) and BJP state unit sent a joint letter to the EC on Tuesday.
The opposition parties said 1,500 VVPATs have been brought to Mizoram which has 1,126 polling stations and so the number of VVPATs available were sufficient to be used in all the polling stations, the letter which was made available to the press today said.
Bharat Electronics Limited (BEL), which manufactured the EVMs and VVPATs to be used in the coming polls in the state, have deployed 26 engineers till date, state election department officials said.