Which Gujarati city is known to be the 3rd "cleanest city of India"?  
Sir P. T. Sarvajanik College of Science: Sir P.T. Sarvajanik College of Science is a science graduation college in Surat, Gujarat, India. Surat:  Surat is the 3rd "cleanest city of India" according to the Indian Ministry of Urban Development, and 4th fastest growing city of the world.
Surat