Hey Jay, You can go solo to these treks ( easy treks for beginners) : 1)Kheerganga trek(One day trek, Parvati valley-Tosh, Malana, Kasol) 2)Triund trek (One day trek, Dharamshala-Naddi, Dalhousie, Macleodganj) 3)Prashar lake trek (One day trek, Mandi) 4)Kedarkantha trek (5 days trek, Uttrakhand-Dehradun, Rishikesh, Mussourie- Book this trek for any good trekking agency ) Happy travelling!!!!!!
There is kheerganga trek, lake parashar, chopta - tungnath, kareri lake
I myself Going solo to Chopta - tungnath one this weekend..i booked from safarnama, you can also check out safarveda, and thee are lots of trips happening on thrillophillia and tripoto
you can go to Triund. It's's a very easy trek and could be done without any guide. The route is well marked and you will find enough people throughout. It will cost you around 1000-1500 including food from dharamshala.