when was the jal mahal built?
<answer> Jal Mahal was built in 18th centur. <context> Jal Mahal. Jal Mahal at night. Jal Mahal (meaning Water Palace) is a palace located in the middle of the Man Sagar Lake in Jaipur city, the capital of the state of Rajasthan, India. The palace and the lake around it were renovated and enlarged in the 18th century by Maharaja Jai Singh II of Amber.