Who is the grand ambassador for the Union Government launched new campaign 'Darwaza Band' to promote sanitation?

Who is the grand ambassador for the Union Government launched new camp

1.	Who is the grand ambassador for the Union Government launched new campaign 'Darwaza Band' to promote sanitation?
Answer» The government launched a new campaign called Darwaza Band for the promotion of toilet usage in the rural areas across the country. Amitabh Bachchan, Swachh Bharat Mission ambassador, termed the 'Darwaza Band' campaign a roadmap to clean India. He urged the people to spread the message of cleanliness through 'Darwaza Band' & support Swachh Bharat Mission.