1. GPS Aided GEO Augmented Navigation (GAGAN) is best described as:

• India's regional satellite navigation constellation
• A Satellite-Based Augmentation System to improve GPS accuracy
• A military satellite communication network
• A navigation satellite exclusively for the Indian Navy

2. The world's first nuclear heat-based hydrogen production facility inaugurated in India uses:

• Sulfur-Iodine Cycle
• Alkaline Electrolysis
• Copper-Chlorine Thermochemical Cycle
• PEM Electrolysis

3. Bharat Taxi has been developed by:

• National Cooperative Development Corporation
• Sahkar Taxi Cooperative Limited
• Ministry of Road Transport and Highways
• National Informatics Centre

4. e-Sushrut@Clinic has been developed by:

• C-DAC
• National Health Authority
• NIC
• AIIMS Delhi

5. Netra Airborne Early Warning and Control (AEW&C)has been developed by:

• HAL
• BEL
• Centre for Airborne Systems under DRDO
• ISRO