I wan to give the exam of banking and for that I want to get the tips to improve my English so can you provide me that as it is very urgent for me?

As you want to get the tips to improve your English so here is the information of the same for you:

Observe the mouth movements of those who speak English well and try to imitate them.

Until you learn the correct intonation and rhythm of English, slow your speech down.

Listen to the 'music' of English.

Use the dictionary.

Make a list of frequently used words that you find difficult to pronounce and ask someone who speaks the language well to pronounce them for you.

Buy books on tape.

Pronounce the ending of each word.

Read aloud in English for 15-20 minutes every day.

Record your own voice and listen for pronunciation mistakes.

Be patient.

Books to help you improve your English
Essential English Grammar by Murphy (Cambridge)
Spoken English by R K Bansal and J B Harrison
Pronounce It Perfectly In English (book and three audio cassettes) by Jean Yates, Barrons Educational Series
English Pronunciation For International Students by Paulette Wainless Dale, Lillian Poms