Which of the following pairs are correctly matched?
1. Idukki: Thermal power station
2. Sabarigiri : Hydro-electric project
3. Ghatprabha : Irrigation project
4. Ramganga : Multipurpose project
2, 3. and 4.
1, 2, 3. and 4.
3 and 4.
1 and 2.