Dooars Darjeeling trip

We will be reaching gorumara on 10th june, 2018.After 1 day stay,we will move to lava.There we stay for 2 nights with 2nd plan to trek to rishop.From there we plan to spend 1 night at Pedong.From there we plan to go to darjeeling and then come back to njp, the next day. Q-Which route is safer and pleasant from gorumara to lava and lava to pedong.

Q-Is it safe to trek to rishyap with my son of 7 years. We plan to come down from rishyap, the same day.

Q-What kind of clothing and medicines must be taken for this trip