Leader of the Opposition in the Lok Sabha, Rahul Gandhi, Karnataka Chief Minister D K Shivakumar, former CM Siddaramaiah, Congress general secretaries Randeep Singh Surjewala and K C Venugopal, and several ministers were present.
The nomination papers were submitted to the Assembly secretary M K Vishalakshi, officials said.
Kharge is the Leader of Opposition in Rajya Sabha and his term in the Upper House of the Parliament is coming to an end on June 25.
The party has also fielded Pawan Khera and Mansoor Ali Khan for the Rajya Sabha election from Karnataka.
Khera is a member of the All India Congress Committee (AICC) and heads the party’s media and publicity division.
Khan is an AICC secretary who had unsuccessfully contested the 2024 Lok Sabha election from the Bangalore Central constituency. The two leaders would file nomination papers later, Congress sources said.
