Procedure for filing criminal complaint on statutory authorities

you can try , but i suggest injunction will do lot of good.

What prevented you from strongly objecting their application based on the documentary evidences in your possession?

If you had taken steps to object and filed a detailed objections and also properly participated in the DC proceedings then you can prefer an appeal against it before the commissioner or file a writ petition seeking justice before high court.

Dear sir, this fraud as come to light when information is obtained under RTI, Act recently.

Now you are in possession of the documentary evidences for the fraudulent activities of the authorities concerned, you can take action even now if you are aggrieved by it. 

1. Writ petition or criminal complaint or appeal in tribulant court sir ?

Your profile reveals that you are posting too many a query on identical issues with varied facts. Are you testing the competency of the participants of this platform?

Dear sir ,  I am posting for myself and posting on behalf  who are all defrauded by one single person. Each person is defrauded by different ways.