While about 8,000 people are in the long list of invitees, the select list features just a few hundred people, including prominent politicians, leading industrialists, top film stars, sportspersons, bureaucrats and diplomats.
A vacation bench comprising Justices Markandey Katju and Deepak Verma took up the matter on Monday after senior advocate Shanti Bhushan on May 22 mentioned Sen's petition in which a notice was issued to the Chhattisgarh government on May 4.
Gandhi had expressed "regret" on Monday over his remarks in connection with the Rafale judgment and said in his affidavit that his statement was "purely political".