The item looks too long and thin to be a weapon. Could be a veterinary device (called a torcar) to puncture cow or sheep (rumens) stomach to relieve bloat (gas buildup). Of course I could be way off, but form does in fact follow function and there were cows and sheep and vets in the Raj.
https://www.aliexpress.us/item/22518...andl_shipto=US
Ed