Yes, you may purchase the car in India but it comes on the order basis. So, we would suggest you to exchange your words with the authorised dealership in order to get exact details regarding its procedure. Here's the link for dealership details: click here
The Bugatti Chiron is a high performance car. Hence the Chiron is produced on orders, and since the car will be ordered for India, it will be made right hand drive for the countries with a right hand drive system.