Anyways,if a line is yellow just make sure that you to the left of the road otherwise you are headed into the traffic.
It may be like this, in context of nepal, if there is yellow line on a side of road, then you must stick on the right side of that yellow line or between the yellow line on left and white markings otherwise you are heading in a wrong/opposite direction.
Sorry Kevin bro, I thought those line is not enough and confusing so I suggest above lines and sorry to make it more complex hai, plz do the necessary correction as u like and delete this post.
And I hope this post will help to spread awareness to the bikers about the lane rules in Nepal, may be this rules are simple but It's pathetic if merobikerz doesn't know this simples rules. no offend to you guys
Thank you