The Aprilia SR 150 as such does not have any showrooms in the Himachal Pradesh vicinity. The nearest for a buyer in your region would be located at Delhi. You can check the official store locator here http://www.apriliasr150.in/store-locator.php. In case you want a nearby option you can contact the Piaggio Dealers in Himachal Pradesh in Kangra and Mandi. Contact New Vishwakarma Auto ( Kangra ) at 9816825265 or Palam Tractors ( Mandi ) at 9815499413. Locate your Piaggio dealer with address here http://www.piaggio.co.in/dealer-locator. 

Know more about the scooter here: http://autos.maxabout.com/bikes/aprilia/sr/sr-150