Amid talk of his joining the BJP, Congress MLA Jaykumar Gore on Friday submitted his resignation to Maharashtra Assembly Speaker Haribhau Bagade.
The MLA, who represented Man-Khatav Assembly segment, had supported BJP candidate Ranjit Singh Naik-Nimbalkar from the Madha Lok Sabha constituency during the April-May general polls. Naik-Nimbalkar went on to win.
Gore is likely to join the BJP on September 1 in the presence of its national president Amit Shah in Solapur.
The Maharashtra Assembly polls are due in October.
Earlier, Congress MLAs Radhakrishna Vikhe-Patil and Kalidas Kolambkar had joined the BJP.