Need your help

Dear All

As you know, i am facing severe problems in following chapters which caused failure to me in ma previous attempt, kindly do provide your help/notes/tips etc.....

How to study Marginal/Standard/budgetary control chapter.......m totaly NIL in these chapters.

How to go for PGBP/Capital gains.......same problem in these chapters for me.

Provide some basics to start these chapters including imp. theory question or practical questions....plzzzzzz