Hey Kashish, Uttrakhand is a great choice. Tripoto offers packages for Uttrakhand. Attached with my comments are packages offered by Tripoto. Please take a look, fill the form and someone will get in touch with you. Thanks!
Valley of flowers itself is a trek full of natural beauty. It's an unforgettable once in a lifetime experience.
U can check my latest post regarding my expedition to VoF. The route covers Govindghat - Ghangària Village - VoF - Gurudwara Shree Hemkumd Sahib. Total 50-60 Km trek.