questions: asked about ridf stw scheme  
 answers: told him small or marginal individual farmer or group of farmers having minimum 2 hectare (15 bigha) of contiguous cultivable agricultural land shall be eligible for subsidy. in case of stw with electrical pump-set in cluster of 10 nos. with 25 kva sub-station and in cluster of 30 nos. with 63 kva sub-station, the area of cultivable land should be 20 hectare (150 bigha) and 60 hectare (450 bigha) respectively and the total area must be a contiguous cultivable agricultural land. and for further enquiry contact nearby agricultural department office.