Indian Meterological Department is established at:

New Delhi
Nagpur
Jodhpur
Pune

The correct answer is (a) New Delhi.

The Indian Meteorological Department (IMD) is the national weather forecasting agency of India. It is headquartered in New Delhi. The IMD was established in 1875 by the British government. It is responsible for providing weather forecasts, warnings, and other meteorological services to the Indian government and the public. The IMD has a network of over 200 weather stations across India. It also has a number of satellites and radars that it uses to monitor the weather. The IMD’s weather forecasts are used by a variety of sectors, including agriculture, aviation, and disaster management.

The other options are incorrect.

(b) Nagpur is a city in the Indian state of Maharashtra. It is the second-largest city in the state after Mumbai. Nagpur is not the headquarters of the IMD.

(c) Jodhpur is a city in the Indian state of Rajasthan. It is the second-largest city in the state after Jaipur. Jodhpur is not the headquarters of the IMD.

(d) Pune is a city in the Indian state of Maharashtra. It is the third-largest city in the state after Mumbai and Nagpur. Pune is not the headquarters of the IMD.