Which of the following statement is incorrect in the context of irrigation in India?
Answer & explanation
Correct answer: option 4
The correct answer is Option 4: Over withdrawals in states like Rajasthan and Maharashtra, has increased concentration of arsenic in groundwater
Option 4 is incorrect. Over withdrawals in some states, like Rajasthan and Maharashtra, has increased fluoride concentration in groundwater (not aresenic)and this practice has led to increase in concentration of arsenic in parts of West Bengal and Bihar.