Mughal Period police force was called
Option 3 is the right answer.
The Kotwal was in charge of the urban police. He was required to keep a register of houses and roads. He divided the town into quarters and placed an assistant in direct charge of each quarter. The assistant was required to report daily arrivals and departures. The kotwal kept a small army of spies or detectives. He was required to apprehend thieves and find out the stolen goods.
If he was not able to recover the stolen property, he had to make good the loss. He kept an eye on the currency. He fixed local prices. He checked weights and measures. He was required to maintain an investor of the properties of the persons dying intestate. He set apart wells and ferries for the use of women. He stopped women riding on horse-back. He was required to prevent the slaughter of cattle.