"Given its strengths in this area, India is a demandeur in the WTO negotiations for liberalisation of trade in services. Currently, India's earnings through services exports are estimated at US $30 billion. According to the Boston Consulting Group, this has the potential to increase to US $200 billion by 2020, if the developed countries provide better access to their markets, especially through improved offers in respect of Mode 1 (cross-border supply which covers BPO) and Mode 4 (movement of natural persons)," Shri Kamal Nath said.