Follow these guidelines.

You will be happy,you did it.

Read with your eyes with concentration.

Listen attentively with your ears.

Understand what you read or listen.

Analyse what you read or listened.

Make sure that you have understood

what you read or listened.

Revise as many times as you can

what you understood.

Review at the end of the day

or at the time of going to bed,

What you have understood.

Within a short span of time

You can gain very good knowledge.