Backhand is one area that I struggle a lot. This is one of the best link that I found on the internet. Steps are explained in a 1-2-3-4 format which is really great and is helping me. Here is the link for all out there who are trying to improve their backhand.
Link to video on improving backhand
Ofcourse, practise, practise, practise and more practise is the only way to improved backhand. :)