1. Why was the 419 and 420 charged were you arrested or charge sheet filed , are you aware bout the stage of the case now.
2. An FIR under sec.419, 420 are serious in nature. As 419 is cheating in personation and punishment for this is (Whoever cheats by personation shall be punished with imprisonment of either description for a term which may extend to three years, or with fine, or with both.) . Sec.420 is Cheating and dishonestly inducing delivery of property( Whoever cheats and thereby dishonestly induces the person deceived any property to any person, or to make, alter or destroy the whole or any part of a valuable security, or anything which is signed or sealed, and which is capable of being converted into a valuable security, shall be punished with imprisonment of either description for a term which may extend to seven years, and shall also be liable to fine).
3. You should engage an advocate and approach the high court if you are falsely implicated and clear yourself out of it,by getting the F.I.R quashed.As PCC is important any negative report can cost your job.
4. Get the help of an expert, advocate and proceed .