Congress candidates have been coordinating with their state units to station workers outside EVM strongrooms and look out for suspicious activity.
Karanataka CM Kumaraswamy was scheduled to join a meeting of opposition leaders in New Delhi in the morning, and head back to Bengaluru the same evening.
Majority of exit polls suggest Naidu's TDP will win a majority in Andhra Pradesh assembly but will lose to Jagan Mohan Reddy's YSR Congress in the general elections.
The Karnataka CM, who has boycotted TV news channels since 18 April, had accused the media of running a campaign against him and ridiculing his family.
A majority of the exit polls have given zero seats to the Left front in West Bengal.
Union minister Arun Jaitley says the Indian electorate is maturing, and seeing past dynastic parties and coalitions.
Two of the Congress' most senior leaders in Punjab, Amarinder Singh and Navjot Singh Sidhu, have been at loggerheads since last week.
Most exit polls have predicted another term for PM Narendra Modi, with some of them projecting that the BJP-led NDA will cross majority mark by a distance.
SBSP chief Om Prakash Rajbhar & his fellow party members are under fire for criticising the BJP.
The bickering has only intensified between the Congress and JD(S), and a poor showing in the Lok Sabha elections could hasten the end for the uneasy coalition.