A senior TMC leader and former union minister Saugata Roy, however, brushed aside any political significance.
"I think it is a routine function. Nothing very politically significant with it. PM is going in his own right and so also the chief minister," he told PTI.
President Pranab Mukherjee would inaugurate the five-day meet which would be attended by a host of foreign delegates, Nobel laureates and Indian scientists.
The Trinamool Congress' six ministers submitted their resignations to the Prime Minister on September 21 bringing to an end a bitter relationship between the Congress and Mamata Banerjee, the TMC chairperson.
