Suggest ca final group 2 book for quick preparation

Hi , As I'm planning to write ca final group 2 by may 2022, just now I'm going to start by preparation, I'm a mother of 5 year old , I need to take care of my house hold work and my kid. I have cleared group 1 by nov2013
, after a long I start to study. please suggest me good quick preparation book for dt & idt. I know institute book is best but it's voluminous ,by seeing book I'm.losing my confidence level. I need to clear exam as of now. can't take risk by choosing volume book. I need a book which is exam oriented summary book. Please help me ...