'Learn Kathak Online' is a complete program to help understand, practice and perform Kathak from Guru Pali Chandra, an internationally acclaimed Kathak danseuse. There are Beginner's lessons (Enlgish and Hindi versions) which are available right now, Intermediate Program will be released in 2018 and Advanced Program will be released in 2019.
Hindi language versions are being developed and will be launched fairly soon.
There is a paid subscription program where you can download all the 170 lessons through subscription. However there are 170 lessons for the beginner's program and some of those lessons are available on YouTube freely at one lesson per week.