Please advice on Rishop-Pelling-Uttarey-Kaluk Tour in 7 nights

Dear Freinds,

I am new in this forum but I checked the earlier threads. I want to visit Rishop-Pelling-Uttarey-Kaluk on 19th October 2012 with my wife, my 5+ years old daughter and my parents (55-60 years). Please check my below itinerary and advice me whether this tour is feasible or not,also the approximate car rental cost of the total tour and the choice of the hotel in terms of view.

Day1: Reach at NJP at morning by Darjeeling Mail. Start for Rishop and on the way sightseeing Lolegaon. Stay at New Sonar Bangla hotel, Rishop.
Day2: Lava/Rishop Sightseeing
Day3: Start for Pelling and stay at pelling in Rabdentse residency.
Day4: First half pelling sightseeing and second half Yuksom visit.
Day5: Satrt for Uttarey and stay at Hotel Swadens.
Day6: Start for Kaluk and stay at Kanchan Valley tourist Lodge.
Day7: Rinchenpong sightseeing.
Day8: Back to Siliguri by 12.30pm.

Thanks
NBagchi

Dear Freinds,

I am still waiting for your valuable inputs and suggestion. Please advice me.

Thanks