The Election Commission will take necessary action to update the electoral rolls in Tamil Nadu next month, Chief Election Commissioner (CEC) Nasim Zaidi said on Thursday.Zaidi told reporters hee that measures will be taken next month to update the electoral rolls in Tamil Nadu as well as other poll-bound states.Special camps will be conducted for the purpose, he said.Zaidi met representatives of various political parties, who have demanded single-phase polling, apart from curbing of money and freebie distribution to voters.He said there were around 5.79 crore voters in Tamil Nadu, and over 65,600 polling stations would be set up.