Minister of State for Law P P Chaudhary informed the Rajya Sabha in a written reply that a Committee of Ministers headed by Finance Minister Arun Jaitley is examining the issue.
"Since the issue involves in depth deliberation with various stakeholders, no time frame can be indicated," he said.
He was asked "by when" the Law Ministry would consider implementation of the measure.
Extending 'e-ballot' facility would require amendment to some sections of the Representation of the People Act and Conduct of Election Rules. Law Ministry is the nodal agency for Election Commission and laws and rules relating to conduct of elections.
After filling up their choice, they will have to send it to polling authorities through registered post.