To begin with easy cleaning and protection.
First a good shampoo for instance Nanoskin Wash and Wax or Meguiar's Hyperwash
Second Meguiar's Quick Ultimate Detailer spray (use if after wash) or Nanoskin Vitality Wax spray
For interior Chemical Guys Inner Clean or Meguia's Ultimate Shine and Protectant
Get at least three high quality microfiber towels and one water magnet towel
You are good to start with these products and then continue to add other items.
Kindly consult this Facebook page for excellent products and you can discuss with the provider, he will suggest you some great package.
https://www.facebook.com/NanoskinPakistan?fref=ts