The promoters of GTC Group belong to the Lath family originally from Surajgarh, Jhunjhunu Dist., Rajasthan (India), migrated to Nepal during 1876 AD. In the year 1972, Swargiya Bihari Lal Lath established Ashok Trading Company Pvt. Ltd, which worked as the milestone for the Lath Family. In Non-business sector, Birgunj Chamber of Commerce & Industries, Birgunj Jeetpur Gaushala and Marwari Samaj Sewak Sangh were the main NGOs, where Sw. Bihari Lal Lath voluntarily contributed for more than 15 years. In later phase, along with few cream members of the society, he founded Relief Society of Commerce.