National Highways Authority Of India [NHAI] — corruption in cos kartarpur corridor project

I am assistant bridge engineer in kartarpur corridor project in cemosa . The qualities of material used in the project not up to morth standard .and culvert and hpc have used loose concrete as the key person and surveyor also involved . So I not able to send on my company letter head . please make a inquiry committee the contractor is ceigall India ltd . Please take necessary against all the person. There are fake sign and bill passed also happened