Consider the following statements:
1- Narmada is the longest west-flowing river in India whose water resource is greater than the combined potentials of Satluj. Beas and Ravi rivers.
2- Tungabhadra Project is a joint undertaking of the Government of Karnataka and Andhra Pradesh to harvest the water for Irrigation, Power generation, flood control and drought mitigation.
3- Indira Gandhi Canal Project is the largest Irrigation project in India to provide irrigation to semi-arid and arid areas of Rajasthan.
4- The main objective of Farakka Barrage Project is to augment the water flow in the Hugli river and promote irrigation.
The correct statements are