Hye Ankur, For 1 day trek you may choose anyone : 1)Triund Trek ( Dharamshala) 2)Prashar Lake Trek ( Mandi) 3)Kheerganga Trek (Parvati valley) 4)Bijli Mahadav Temple For long treks you can go to : 1)Kedarkantha trek ( best easy snow trek ) 2)Dayara Bugyal 3)Sandakhphu Pahlut trek Hope this would help you.