How to know if a person can use RTI (Right to Information act) ?

how a person know that he can use RTI?

Any citizen of India can use RTI.
What is your specific needs ?

respected sir/madam,

Mr. Ricky has corrected guided you

regards

sincerely

p.swaminathan

why u need such oinformation but on other way any citizen can go for find the any relative information to him