(a) whether there is evidence of availability of large deposits of diamond in Vidarbha region (Gujarat) during a survey conducted by the Geological Survey of India:
(b) if so, the details thereof ;
(c) whether the Government have also received information about the illegal mining activities that are going on in the region;
(d) if so, the steps taken by the Government to check these activities; and
(e) whether the Government are contemplating to take recourse to commercial mining in this region?