India, April 25 -- At Ahmedabad(Ghanta Karan Market) market in Gujarat, Cotton Shankar closed at Rs. 5625-6250 per quintal, unchanged as compared to previous close. Estimated market supply was at 20400 quintal, lower by 5100 quintal from previous dayand's arrivals. Cotton Shankar at Gondal market ended lower at Rs. 5255-6180 per quintal, lower by 0.8 per cent as against previous day. Total arrivals are at 486 quintal, up by 186 quintal as compared to previous day. Cotton BT COTTON at Rajkot market closed lower at Rs. 5550-6300 per quintal, lower by 0.87 per cent as against previous day. Total market arrivals are at 1400 quintal, steady as against previous dayand's arrival. Cotton BT COTTON at Mahesana (Kadi) market closed at Rs. 64...