planning a trip to kullu manali please guide

I am planning for a trip to kullu manali( and shimla ).i would like to leave tomarrow i.e sunday.I dont have planned much about the trip any information on busses /trains, hotels ,buses route would be great help.
Any help would be greatly appreciated .
Thanks

Now holidays are over so may not be problem in these areas. Give a detail picture of your travel so we can help. When & where you are starting, mode of transport, destination etc are required.