Tipu introduced several new laws, including new coinage, a new lunisolar calendar and a new land revenue system. He started the growth of the silk industry in Mysore. Tipu inherited a large kingdom bordered by the Krishna River in the south, the Eastern Ghats in the east and the Arabian Sea in the west. At the request of the French, he built a church, the first in Mysore. With French help, Tipu Sultan fought against the British to keep Mysore's independence.