dear meritnation experts i need ur help.....whenever i want to study hindi shtij bhag1, the chapters dont match with my book.....till yesterday it was fine but today some different chapters are being displayed....according to my book the 1st chapter is Do Bailon Ki Katha.....till yesterday it was showing like that only but i dont know wats happening now....please help i have my class tests this week and i reaaly need your help