Hi,

Visit your Education board's Head office.

• They will ask for a NOC/FIR . ( some times )
• You have to publish an add in National newspaper ( sometimes in both English and Hindi )
• You have to attest the form from a gztd.
• A officer or Your school principal.
• They will charge you some amount.

It is a very easy process don't worry , visit head office for once they will guide you.