There apps for that too moreover after you visit Tosh, Malana and all you would find people over there and in bus itself. So, for now you can just pack your bags and leave.
Hey
U can go with invincible. This is the organization which organise the Himachal camp... And it is best for trekking... And u can meet with new pepole... And there smoking and alcohol is strictly prohibited.. Pls visit it once Invinciblengo Thanks...