correction in details of biodata and attestation forms

Bio data is the one form that gives impression and lot of care has to be taken while preparation but it is not the only self assessed document that qualifies for your job.  It is left to your discretion after careful consideration of those facts in the earlier form and proposed.   There is nothing wrong in resubmitting the forms immediately, with a request to return the original form submitted, as the forms may not have reached the ultimate authority and will only be seen during finalization.  Not connected with litigation for which the forum is dedicated.

Biodata form were submitted by me at time of doc varification.multiple sets of attestation forms are sent by me recently. What should i write to them. I haven't told them about gds bpm (contractual regular 3 hour) job under india post which i resigned 2 years earlier. But my record is clean. Varification would be done by IB. What should I do

Stop overthinking on minute things unless you have some bad experience with your past employer.