first of all don't copy those style.. be yourself and enjoy your journey not the destination.. and I had also same plan on same time..we r going from Kolkata..will reach Delhi on 28th afternoon.. after that we will take bus from HPTDC house to Bhuntar.. will reach nxt day morning. we will go for 6days..4 days for Kasol and Tosh..2days for Manali..
Go to offbeat place chitkul kinnaur
for manali book bus tickets at hrtchp.com
book stay at zostel.com
places to see hadimba temple, nature park, solang , vashisht , jogini waterfall, mall road, monestry