Offers and discounts are provided by the brand and it may also vary according to the city, brand and model. There are scenarios wherein dealers also give attractive deals to their customers. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Car Showrooms.
For this, we would suggest you walk into the nearest service centres as they will be better people to assist you. You can click on the following link to see the details of the nearest service centres and selecting your city accordingly - [Service centre@https://www.cardekho.com/Toyota/car-service-center.htm
For the availability and prices of the spare parts, we'd suggest you to connect with the nearest authorized service center. Click on the link and select your desired city for [service centers@https://www.cardekho.com/Toyota/car-service-center.htm