Mitsubishi Pajero’s spare parts would most probably be available in their official spare parts stores at the dealerships. You can access your nearest dealership or the one located in Jalandhar. Please call them before visiting as they will confirm you the availability of the required part. The showroom is located near to the interstate bus terminal and opposite to the Khalsa college, Jalandhar. You can even check for some parts online in the link provided below.
Please contact your nearest Mitsubishi authorized service centre; they will be able to guide you better.