Here's another Indian company adopting the .IN extension: Corporate Professionals (India) Pvt Ltd has launched the website LLPonline.in. The site offers resources relating to LLP law and online LLP registration in India.

LLPonline.in is designed to facilitate and ease the process of forming the newly introduced form of business organization in India i.e. Limited Liability Partnership, by providing the required information and support. With our in-depth knowledge and innovative skills, we have developed customized solutions and products that best suits all your business set-up needs.
I think the domain LLP.in would be even better, and I notice it is currently parked...