about central sales tax form

c form from the sales tax authority is one another head ache for bith the people issuer as well as receiver. Still our govt has not clear. Once the material sold to other state means it is self explanatory c form sale. unnecassary botheration quarterly conversion from the yearly issues. it is very clear and when we are taking and talking india is one we all  are indians,. after kepping so many borders/ checkpost/commercial tax officers no meaning of c form. mere issuing/document will not help nation's growth. moreover, it is increasing corruption just for collecting c form now the buyer has to pay in thousands.

      Their Is Some Problem for the bills issue date in months last date the material receive to party in next month so he is declare his purchase in next month how can he demand c form for last month bills in next month please clarify

i.e. Invoice Date 28-3-2009 from Tamilnadu Party The Material Received In Ahmedabad in April 2 or 3 2009  so receiver declare his purchase in April-09 Month & Seller Declare his Sale In M<arch-09 Return how can c form to be demanded