Nagakanike aired on colors super it is remake of naagin 1 and 2 (colors TV )
Nagini aired on zee Kannada is a remake of NaGin ( zee TV )
Nagini 2 going to air on zee Kannada will be remake of naagin 3 ( colors TV )
So Nagini 2 will not be continued version of naagini but will have connection to naagakanike.
The reason behind Viacom airing it's top soap opera on zee is to get huge money through add . Colors Kannada is facing tough days whereas zee new serials is almost hit.
Even viacom18 Tamil movies was sold to vijay TV and sun TV even though they know colors Tamil has less films