We have manufacturing in nashik & sale to Hyderabad, Gujrat against CST. PO shown is basic price plus cst @ 2% & Transport Charges But po term & conditions is FOR rate so we have generate invoice is Basic material Value Plus Transport Chages & charge cst @ 2% on both Basic & Transport charges. But buyer not accept cst on transport charges. please clear cst applicable on transport charges on this issue? & if applicable sent me cercullar No. reference on CST charge on Transport charges.