The checklist:
1] New Cells and a Good working Torch.
2] A good back pack ( 40 liters capacity is more than enough)
3] Sleeping mat (to sleep on)
4] 3 liters of water
5]Sweater, monkey cap or Muffler and windcheater(optional), shades( optional). Warm clothing is an absolute must. The temperatures may hover around 5-10 degree centigrade in the night.
6]The medicines u usually require,Iodex Or Moov spray, Odomos,tooth paste and brush
7]first aid kit (if u have 1)
8]3 pairs of clothes, cap, 2 pairs of socks, good trekking
shoes( hunters are the best if u r used to them). They are available at any Bata shop for rs 250 approx. ow any other sports shoes having a good grip will do.
9] An inflatable pillow (optional), Blanket.
10] A towel, a napkin.
11] Spoon and a plate.
12] a climbing rope of 30 ft. (if u have 1)
13] Food which u can easily cook. A cooking vessel.
14] Kerosene/ match box. If you have a lighter then gr8. (VIP) 1 liter for the entire grp suffices. So if u have it definitely bring it.
15] Some ready to eat food. (having a long shelf life) plum cakes, biscuits etc.
16] Adequate cash
17] The carry mat and back pack can be bought from Kamats (24143810).
18] Water purifying tablets or clorivat (1 bottle for the
entire grp) VIP.
19] Camera (optional)
20] Tissue paper (optional)
21] The food to be carried per person:{One half bread,0.25kg of tomato & radish, tomato ketchup or
sauce sachets}, {maggi 2 pack},{100gms biscuits of your choice,a cake(non cream)},{ready to eat upma packets.} This is enough. In addition to this you may bring the things u like.

Make sure that the food you carry is concealed neatly in plastic bags deep inside the backpack(Monkey nuisance.)
Your comments & suggestions are highly welcome.
Of these things kerosene,clorivat have been taken care of. If we are a group of 8-10ppl then 3 cooking vessels suffice.