Explanation:

Only statements 1&2 are correct.

Advanced Medium Combat Aircraft (AMCA)

• The Cabinet Committee on Security (CCS) has recently approved the project for the design and development of India’s fifth-generation fighter jet, Advanced Medium Combat Aircraft (AMCA).

• Advanced Medium Combat Aircraft (AMCA) will be India’s indigenous fifth-generation stealth fighter aircraft.

• It will be stealth fighter jet

• The Aeronautical Development Agency (ADA) under the Defence Research and Development Organisation (DRDO) will be the nodal agency for executing the programme and designing the aircraft.

• It will be manufactured by state-owned Hindustan Aeronautics Limited (HAL).

• Features of AMCA – It is a 25-tonne twin-engine aircraft, which will be bigger than other fighters in the Indian Air Force.

• It has a diverter-less supersonic inlet for controlling air flow into the engines and a serpentine air intake duct to shield the engines from radar emission are likely to be part of the AMCA.

• Stealth features such as an internal weapons bay and a bigger internal fuel tank are part of it.

• Engine – The AMCA Mk1 variant will have the US-built GE414 engine of the 90 kilonewton (kN) class, while the more advanced AMCA Mk2 will fly on the more powerful 110kN engine.

• The AMCA Mk2 will be developed indigenously by DRDO’s Gas Turbine Research Establishment (GTRE) in collaboration with a foreign defence major.

• The indigenous Light Combat Aircraft (LCA) Tejas is a 4.5-generation single-engine multirole aircraft.

• Fifth-generation stealth fighter aircraft – At present, only USA, Russia and China have built fifth-generation fighters.

Hence option 2nd is correct.