There can be significant harm to your business if you don’t register a trademark. Particularly if another businesses chooses to register the same trademark or a similar one. You may think this is unlikely to happen – and it probably is – but just think of the problems that will arises if it does happen. You will be forced to change your brand name, which means that your customers will end up being confused (even more so if you’re in a consumer-facing business). And what’s the point of delaying trademark registration. It will cost you just about Rs. 6000 to get it done.