hai iam nandu from hyderabad. i can make drp sir but i can not come to mumbai. i will send chemicals in courier. and i will send a mamory card in which you can easy see and make drp your self. but it will not come more that 10 to 20 times... it depends on copper you use.if intrested pls contact kishore.nandu@mail.com and 3 to 4 days max....time no wach and torch only it pulls rice.....just rice nothing more than that