The affidavit has not been uploaded on the website of the Chief Electoral Officer of Gujarat till late in the night.
Earlier, Congress had said that Modi should come clean on his marital status while filing nomination papers for the Lok Sabha elections.
The Vadodara LS seat which has been chosen by Modi from 26 constituencies of Gujarat is considered to be one of the safest seat.
Modi is also contesting election from Varanasi where he is challenging Aam Aadmi Party candidate Arvind Kejriwal and Congress' local MLA Ajay Rai.
