The election authorities have started distributing Form-23 seeking the consent of the identified people for postal ballot.
The court disposed off the plea after the ECI submitted that it would respond to the representation made by DMK before April 30.
The letter instructs that the penultimate round of EVM counting should be taken up only after completion of postal ballot counting.
The details demanded are: total postal ballots distributed, postal votes cast, number of postal ballots distributed to people above 80 years and the number of votes cast in this category.
For postal ballots, the voters need to apply. Balakrishnan Nair said that it was shocking to find that his vote was already polled.
Three persons including a woman teacher, her husband and a Tenkasi resident were arrested for sharing a picture of her postal ballot on social media here on Tuesday.
Voters above the age of 80 years and persons with disabilities voted through postal ballots across the State on Friday.
West Bengal, Assam, Tamil Nadu, Kerala and Puducherry are going to assembly polls beginning March 27.
While the brouhaha over voting through postal ballots is yet to die down, the facility has not found many takers in the State.
The octogenarian cast her vote from the comfort of her home on Tuesday as the Election Commission has made provision for voting through postal ballot for senior citizens.
The first bench of Chief Justice Sanjib Banerjee and Justice Senthilkumar Ramamoorthy passed the order while dismissing a plea moved by the DMK, challenging the ECI notification.