Here are few statements related to 'Karez System', consider them:

1. It is a technology which is efficient and effective water harnessing technology that originated in Iran and is a network of underground canals which basically taps into the groundwater sources and transports it through an underground tunnel to the civilian settlements for various purposes.

2. It was built by the Ahmadnagar Sultans in India in the 15th century.

Which of the statements given above is/are correct?