The Friendship Gate has been constructed near Integrated Check post, 90 km South of capital Shillong on border with Bangladesh.
Speaking at the event, Mr Prasad assured that he will take up necessary steps to promote tourism in the area.
The Governor also met Border Guard of Bangladesh's Additional Director Zahid Hasan, who was present on the occasion, and distributed sweets to both the troops at the venue.
Mr Dubey also briefed the Governor on the border domination and the security situation at border and also updated him on the armoury and special surveillance equipment available with the force.
The Governor also inaugurated a BSF Border outpost at Umsyiem during his visit to the border.