Paul Co. harmonium production Howrah, West Bengal. Photo by Nic Dillon RING, RING. I get a lot of calls from customers looking for .Photo Mint Enter a speciality store stocking musical instruments, and it is highly likely that guitars, drums, keyboards and As a result, some instrument makers prefer to look to more lucrative professions for a livelihood, .The government has imposed GST on musical instruments, making them costlier. The number of customers, as a result, has dipped significantly. manufacturing units in Bengal. Photo Sujit Nath News . Loading..