If you are planning to coming from Dehradun ISBT by taxi, the distances are approximately 15 Km and it is about 40 to 45 minutes journey. It may charge up to 350 to 400 Rs.
By Uber or Ola:
One can also travel by Uber and Ola. But for that one has to installed the App first. This may charge less as compared to Taxi, it will cost up to 240-300 Rs. The distances are same as above.
By City Bus
If you are coming from Dehradun ISBT Bus Stand, then local bus is available from there.The bus will first stop at Tibetan Refugee market which will cost only 15 Rs till there. Once you reach Tibetan Refugee market, from their you can continue with local bus or you can take Auto Ricksha that will cost up to 20 Rs. The distances are safe as above.