I believe the gun was intended for the Indian retailer P. Orr.

The barrels have the usual "Holland & Holland, 98 New Bond Street, London; Winners Of All The
Field Rifle Trials, London:" on top

And in matching lettering:

" Rajah V. Venkatakristna Yachendra Bahadur - 5th Brother of the Rajah Venkatagiri K.C.I.E."

Link to their history:

http://en.wikipedia.org/wiki/Venkatagiri_estate