For Exhibition which documents required

Genext Deepak (28 Points)

14 September 2018  
Sir
I am a trader in Delhi's & had booked a stall in exhibition in Delhi Pragati maidan, exhibition will be held in tomorrow now my organiser said to me you had to add additional address for exhibition in GST portal core field.
know please help me that's is right way & how I transfer my stock to my godown to exhibition place & which document will be required for transport.