Request for suggestions on bore hole block problem

Dear India Water Portal,

We have a 1000 feet deep borewell. At the time of drilling we had a water yield of about 2 inches at about 85 feet. There was no yield following this.  We then continued drilling to about 1000 feet and tried to insert a air hose and a water hose. However, we have been unable to insert the air or water hose after 400 feet due to blockage of rocks. Could you please suggest a better bore hole inspection team to access the bore hole or advise me on what can be done?

Thanks

Shankar

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