New Delhi, May 13 -- Part of the 2019 parliamentary elections are being fought on WhatsApp, and on the messaging platform, the Bharatiya Janata Party's reach and presence give it an edge of as much as 56 hours over the Congress according to the latter's own assessment.

This is the difference in the time it takes either party to reach the farthest rung in the chain - typically, a voter in a constituency - using WhatsApp groups.

According to an internal study by the Congress, the BJP can do this in 12-15 hours while the Congress takes around 72 hours, with both starting with a message sent out from their respective war rooms. People familiar with the matter in the Congress say that this is owing to the BJP's larger penetration within the Wh...