The two-day meeting will mainly focus on the 1950 treaty, border issues, and trade and transit, according to a member of the group.
Work has started regarding preparation of a preliminary draft report on security concerns, water resources, trade and cultural ties between the two countries, said the member.
EPG members from Nepal include former foreign minister Bhekh Bahadur Thapa, former lawmaker Rajan Bhattarai, and constitutional and legal experts Nilambar Acharya and Surya Nath Upadhyay.
Members from India include BJP leader Bhagat Singh Koshiyari, former Indian ambassador to Nepal Jayanta Prasad and former vice chancellor of Sikkim University Mahendra Lama, among others.