Hi Sneha, You can follow this route- https://goo.gl/aLjJbT Delhi > Agra > Lucknow > Gorakhpur > Kathmandu You can make pitstops as required on this route. And use maximum daylight. You can explore places to go and things to do in Nepal here: https://goo.gl/4fWmhH And when you come back, don't forget to share your own marvellous travel story with us. We would love to read! Write here- https://www.tripoto.com/trips/create Keep exploring!
even I was planning to go on a bike ride to nepal for which I did some research from local ppl and known nepalies. raxaul border is most approachable gateway to nepal. but der is some procedure to get ur vehicle registration for that particular number of days.
visit this, it's another good option, this site will give u information regarding your trip