Explanation:

The Bombay Municipal Corporation was established in 1872, providing a modern framework of governance for the rapidly growing city. The Bombay Port Trust was promulgated in 1870 for the development and administration of the port. Tramway communication was instituted in 1873. The Bombay Electric Supply and Transport (BEST), originally set up as a tramway company: Bombay Tramway Company Limited, was established in 1873.Violent Parsi-Muslim riots again broke out in February 1874, which were caused by an article on Muhammad published by a Parsi resident.