For the attitude of South Block, the Indian foreign ministry, read the relevant posts on the blog of Ambassador Bhadrakumar:BRI works better with India than without, and if posters are too delicate to discuss the issue, then they should reconsider their world view.
Chahbadar will grow much larger than 10-12 million tons/years because Iran and China need it. And India is waiting for the agreement of Washington before further investment in the port.
Ahsan Iqbal's Presentation on CPEC to American United States Institute of Peace - Great Video!