Fali Nariman, Soli Sorabjee and Solicitor General Mohan Parasaran were among others whose views were sought by the President last week.
The meetings, days ahead of the results, are being linked to the government formation exercise in which the President will play a pivotal role, especially if no party or pre-poll alliance gets 272 seats.
If a party or alliance get a clear majority, the President's role is limited to formally inviting that party/ alliance.
Election results are traditionally presented to the President by the Election Commission once the counting exercise is over, which takes a day or two after the declaration of results.
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Rashtrapati Bhavan is, meanwhile, gearing itself to media rush which is expected after the results are out on Friday.
A tent has been erected in a corner of the forecourt of majestic complex to accommodate reporters and camera persons who are expected to descend in hordes there.
Hectic preparations were also underway for the farewell dinner being hosted by President Pranab Mukherjee to the outgoing government on Saturday.