Sale in transit

I have a Senatio of Sale in Transit

My company Network Experts based out of Margao Goa is Authorized Reseller of ENP Company. And buying UPS from ENP Company from Wagle Industrial Estate, Thane (W), Maharashtra. We informed the UPS Manufacturer (ENP) must be delivered this UPS Unit to our Client SFPL, having factory Verna Goa directly, without getting it to our office, This UPS will be used for manufacturing purpose by our customer.

Now we want to know, who should issue what type of Form to each other  

Network Experts, Margao Goa à ENP, Thane(W) Maharashtra  -- ____________________ENP, Thane(W) Maharashtra  à Network Experts, Goa -- _____________________

Network Experts, Margao Goa à SFPL, Verna Goa -- _____________________

SFPL, Verna Goa à Network Experts, Margao Goa -- _____________________

And above transaction is Sale in Transit, type or something else. As SFPL Accounts Department says VAT Form 30 and not Form C, Please help me on to this.

Thanks,

Keshav Shikerkar,

Network Experts, Goa

09822121443, 0832-2731899