HI Aditya, you can expect very cold conditions and it has even snowed sometime back there. So you will have to carry all your winter gear if you are attempting to go on this trek.
Take your winter stuffs with you like 1)Woolen socks and cap 2)Hiking shoes 3)Waterproof jacket 4)Warm inners 5)Gloves 6)Moisturizer 7)Charger,power bank,memory card,pendrive,earphone 8)Backpack 9)First aid kit