Uttar Pradesh has the largest area of 93-84 lakh hectares under well (included tub wells) irrigation which accounts for about of the well irrigated area of India. This is followed by Rajasthan (10-44%), Punjab (8-65%), Madhya Pradesh (7-97%), Gujarat (7-34%) Bihar (6-29%), Andhra Pradesh (5-87%), Maharashtra (5-75%), Haryana (4-41%), Tamil Nadu (4-35%), West Bengal (4-19%) and Karnataka (3.06%).