For the solution of which problem in the canal area of ​​western Rajasthan, a three-year action plan has been started, under which the areas affected by this problem are made cultivable again, underground wells and vertical wells etc. Remember, experts have considered the reasons for this problem in the first phase of Indira Gandhi Canal, land structure, indiscriminate use of water in irrigation, excessive amount of water, flow of Ghaggar river etc.

• A. bean problem
• B. the problem of sludge
• C. saline problem
• D. erosion problem