Place of supply issue for Invoicing

amar (partner) (26 Points)

16 June 2017  
A person goes to Trader at Maharashtra for buying goods and giving his GST no. which was of MP for B2B transaction and taking delivery at his shop itself and also intended to use at his site at Maharashtra.(He is a contractor having Head Office at MP and site office at Maharashtra)

Whether Trader can issue IGST invoice to him and of which person can take claim in IGST at MP.