You need a government permit to Visit Rajaji National Park. The entry fee of Rs. 150 Per- person for Indian, Rs. 600 Per-person for foreigner, Rs. 250 per jeep Indian, Rs. 500 per jeep foreign, is chargeable for the permit of the government, after that the fare of the jeep has to be paid according to the different gate, if you want to understand the forest well, the guide charge is extra.
For Indian citizens to do safari in Rajaji National Park ₹150 per-person, ₹250 entry fee, jeep fare is different for each gate, between 600 to 1000 a good Jungle Safari guide is available. For foreigners ₹600 per-person, ₹500 entry fee, jeep fare is different for each gate, and an English speaking guide is available for around 1000 rupees.