30 May 2009
Rate of tax against form "C" is 2% or appropriate state rate, whichever is lower. so you have to find out if sale tax on your material is 1% then how u can charge 2% tax? last date is 15th of following month. yes ofcourse you can set off your CST liability against VAT input credit after set off your VAT liability first. if there is no tax payble for the month by you, you can file the same on 30th day of following month.