Hi Prashant, You can checkout the trip by Tripoto wanderer Soumitra Mitra where he has beautifully described Dalhousie to Chamba winter trekking here: https://goo.gl/ru45RA You can discover several trips to Dalhousie by other Tripoto Wanderers here: https://goo.gl/G8znR1 Keep exploring!
Daikund is best for trekking or go to kalatop from lakkadmandi. That will give you a immense pleasure of jungle trek. If you are going for snow then i suggest October is a bit early, go there November and December for snowfall.