"Eid Mubarak! Joy, peace and prosperity to all," she said through her handle @meira_kumar, which is still to be verified. In the other tweet, Ms Kumar asked people to follow her on her official Facebook account for updates on the presidential election.
There are 313 million active Twitter users, of which 82 per cent log in through mobile phones.
Eid Mubarak! Joy, peace and prosperity to all.- Meira Kumar (@meira_kumar) June 26, 2017
While several politicians across the globe are active on Twitter, Prime Minister Narendra Modi remains the most followed leader in India with 31 million followers.
Ms Kumar is the joint opposition candidate of 17 non-NDA parties against the ruling dispensation's nominee Ram Nath Kovind.
She will file her nomination on June 28, the last date to do so, and is likely to be accompanied by top Congress and opposition leaders.
Asked at a Congress briefing, party chief spokesperson Randeep Surjewala said Ms Kumar was finalising her campaign would share it "very shortly".
Ms Kumar had yesterday made an emotional appeal to the electorate comprising MPs and MLAs to cast their vote with their "inner conscience". She also said the President's post cannot be used for narrow political interests.
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