What is the total number of operational satellites originally planned in the primary constellation of the Indian Regional Navigation Satellite System (IRNSS), also known as NavIC?

Which payload is NOT carried by ISRO's Aditya-L1 solar mission, but was designed for X-ray polarimetry on XPoSat?

Evaluate the following statements related to Reusable Launch Vehicles (RLVs): Statement 1: RLVs are being explored primarily to enhance launch efficiency and reduce the recurring cost of satellite deployment. Statement 2: The development of RLVs increases operational complexity, making them entirely unviable compared to traditional expendable systems. Which of the above statements is/are correct?