Do the same companies have both TIN no and CST no?

Actually TIN stands for taxpayer identification number in respect of sales Usually a 11 digit number , it may look like 21134567891C 21134567891V TIN is tax identification for sales. read more

So , TIN and CST are not different. CST is a type of TIN(Tax payer identification ) number for sales outside the state. read more

TIN and CST, both are same thing i.e. Sales Tax number. The only difference is that TIN is available only for state while CST stands for Centralised Sales Tax through which you can even sell your products in other cities. You can directly apply to Department of Trade and Taxes to get sales tax number. read more