Want to know details about underground water in and around Muravani village in Bellary district, Karnataka-Whom should I contact?

(Query received over email from Vishwanatha)

Dear Sir/Madam,

We live in a village called Muravani, near Siruguppa Taluk, Bellary district.  I wish to discuss about the underground water situation near our villages and would like to know who I should be contacting in order to obtain the necessary information.
Kindly help by sending their contact numbers and/or address.

Thanks and regards,