Water Body Encroachment In Bangalore Question..

Hello Sir, I am considering buying a Villa property in Adarsh Palm Retreat, Bellandur, Bangalore and was wondering if this property would be okay to buy from a Water body encroachment point of view. Address of this place is: Villa 171, Adarsh Palm Retreat, Phase 1, Bellandur, Bangalore - 560103. Google Map link here: https://goo.gl/maps/TiKavGMUXoQyMNs29. Dishant App shows a Water Tank nearby. Please provide guidance. Please also suggest how do you charge for any such assessments. Thanks and Best Regards Vishwas