New Delhi [India], March 19 (ANI): Media persons on election duty carrying authorisation letters from the Election Commission, and those working in essential services such as healthcare can vote using postal ballots in the Lok Sabha and four state assembly polls, the Election Commission said on Tuesday. In this regard, the Election Commission (EC) wrote to all state chief electoral officers regarding the categories of absentee voters on essential services. In Delhi, those working in Hospitals under GNCT of Delhi, Delhi Transport Corporation (DTC), Delhi Fire Services, Delhi Jal Board, Delhi Po…