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                   247 Points
                   Joined August 2011
                
               
			  
			  
             
            
             
	Depends on state...!!
	 
	and also You need to give more details.. which state, scheme of registration. VAT/COT, filing of returns Monthly/Quarterly. Etc.,
	However in Karnataka following are the details.
	 
	For Regular VAT Monthly Filers : 20th of everymonth is the due date without penalty.
	for COT monthly filers (Like for Works Contractors, Hotliers etc.,) : 15th of everymonth is the due date.
	For all other (VAT/COT) quarterly filers : 15th day of succeeding month of every quarter.
	eg: Apr to Jun Qtr : 15th July is the due date
	July to Sep Qtr : 15th Oct is the due date... and so on...
	 
	Thanks.!!!