Transfer of stock in new firm.

When everything is same nothing to be done since ownership in stock lies with the owner, even for place for control purpose Memorandum entries can be passed
Receiving Godown. a/c. Dr
Sending Godown. a/c
as a result stock remains same but different values in different gowdown
If Business name is different, ownership in part of stock transferred to different business
sales entry to be passed including profit Margin

Registration of existing firm will be surrendered.will this make any difference.?

No need to surrender existing registration

If properitor wants to change the name of firm then....?

It's his will and wish

If you want to change the trade name..than you can make amendments at all your registration like in GST, shop & establishment, PT, PF, nak account ect.

no need to surrender licence

n if u still want...that you can as per you choice

Thank you very much to all of you  for your valuable suggestions.