Difference between ind as volume 1 & volume 2?

Dear Friends 

Post old AS I am brushing up my overall knowledge over Ind AS. I follow CA Institute publication available in icai.org website.

Fir Ind AS there are two volumes available under 2018-19 Volume 1 & Volume 2

https://www.icai.org/post.H T M L?post_id=15365

My Query is what is the difference between Volume 1 & Volume 2??????????????????

Kindly advise.

Thanks,Vijay 

20-18