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How many of the following countries have littoral border with South China Sea?
1. Taiwan
2. China
3. Laos
4. Vietnam
5. Philippines
6. Malaysia

With reference to India's energy production, consider the following statements
1. The share of coal in India's total energy generation increased to 79% in 2023-24.
2. The share of crude oil in total energy production has increased from 2014-15 to 2023-24.
3. The share of electricity from renewable sources has consistently remained above 10% in the past decade.
4. India imports more than 85% of its crude oil requirements.
Which of the statements given above are correct?

Consider the following statements regarding ISRO's semi-cryogenic engine development.
1. The semi-cryogenic engine being developed by ISRO uses liquid hydrogen and liquid oxygen as propellants.
2. The semi-cryogenic stage will replace the existing core liquid stage of the LVM3 launch vehicle.
3. The semi-cryogenic propulsion system will increase LVM3's payload capacity in Geosynchronous Transfer Orbit from 4 tonnes to 15 tonnes.

Which of the statements given above are correct?