A suggested 8-day trip from Chandigarh in August could include visiting Shimla, Manali, and Dharamshala. Start with 2-3 days in Shimla exploring attractions like Mall Road and Kufri. Then, head to Manali for 3-4 days to experience adventure activities and visit Rohtang Pass. End the trip with 2 days in Dharamshala, visiting the Dalai Lama Temple and exploring McLeod Ganj.