Explanation:

- The National Remote Sensing Centre (NRSC) is a key organization under the Indian Space Research Organisation (ISRO).

- ?? Hyderabad: The headquarters of NRSC is located here. It acts as the main hub for remote sensing and satellite image processing in India.

- Kolkata does not host any headquarters related to remote sensing, but it is significant in other educational and scientific domains.

- Bengaluru is known as the "Silicon Valley of India" and is home to ISRO headquarters, but not NRSC.

- Mumbai, a major economic center, is not related to NRSC headquarters.