Need suggestions to improve the discharge of pumpset

Hello,

I have a borewell in Kuppam area in Andra Pradesh which is 650 feet deep and 6.5 inches wide. Currently I have a 7.5 HP pump installed at 360 feet. I get 1 to 1.5 inches water continuously even if the motor runs for 6 hours. Is there a way to increase the water discharge? Even though there was no rain as expected the water discharge was the same throughout 2013 till now. Now how can I increase the discharge so that I have enough water to start more cultivation in my land. Please advise

Thanks & regards

Uday

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