Persons infected with coronavirus or suspected case of the disease along with those over the age of 65 can now vote by postal ballot.
This was made possible after the Centre amended the Conduct of Election Rules, 1961.
The move came as several health advisories have specifically mentioned that people over the 65 years should not to venture out as they are more vulnerable to catching the highly contagious virus.
The move has been taken keeping in sight the ensuing Bihar elections.
Earlier, casting votes through postal ballots was available only to armed forces and officials assigned poll duties.