CST query urgent

Anand Luhar (Entrepreneur(CA/CWA Gold Medal))   (254 Points)

09 June 2011  

my brother runing new business in gujarat and its turnover is less than 150000 as new business and more of labour work so less

but today he got a order from delhi of machine worth 3 lakh

 

now question is that is he require to take VAT and CST reg number ???? is 500000 lakh SSI expemtion is avilable ???

 

can HE do sale to other state without vat and cst reg???