Hi Nikhil, you can do Prashar lake Trek in Mandi,Himachal Pradesh or Triund trek, Dharamshala, HP. Both are one day treks. And as I have done both the treks I am recommending you these.
Hi Nikhil, There are lots of places in India for October Trek. You can check out the packages offered for treks by Tripoto. Please click on this link- https://www.tripoto.com/tour-packages