This is a great starting place: ASLized! Some YouTube channels that I like: https://www.youtube.com/user/ASLSLAM, https://www.youtube.com/user/natnut84, https://www.youtube.com/user/rosaleeshow, Jules Dameron, awti, read more
Probably not. ASL is spoken in North America and a few other countries, although it has become something of a lingua Franca, thanks to Gallaudet university. In India, however, due to its former status as a British colony, the signed language there is based on British Sign Language (which is not mutually intelligible with ASL). read more