Correct Answer: (a) ground water
Solution:Atal Bhujal Yojana (ABY) deals with ground water. The scheme was launched by Prime Minister Narendra Modi on December 25, 2019, on the occasion of the birth anniversary of former Prime Minister Atal Bihari Vajpayee. The total outlay of this scheme is Rs.6000 crores. This scheme will be applicable for a period of 5 years (from the year 2020-21 to 2024 25). The objective of the scheme is to improve ground water management through community participation in identified priority areas in 7 states Gujarat, Haryana, Karnataka, Madhya Pradesh, Rajasthan and Uttar Pradesh.