I have a credit score of 613 , 113K annual Income, Private Insurance, Never Used Public Charge benefits Can i get green card ?

I agree with my colleague. Best to provide documentation for this low credit score.

Yes, your case will likely be delayed given the ban.

Immigration: Filing I-130 for wife and lost job due to COVID-19. Is it a problem that I put it unemployed in I-130?

You will need a cosigner and your wife will also need to provide supporting evidence of her self sufficiency.

Immigration: I am a US citizen filing I-130 for parents. What problems I may face since I don't live in the US now?

You will need to establish that you have domicile in the US. That will likely be a big hurdle for you.

Working under k-1 visa?

You can only obtain the EAD upon filing for adjustment of status, which takes 3-5 months.

No, you should have medical done in the US by a civil surgeon.

Can we have to co sponsors . and if cosponsors chosen is not ok do they give us the chance to find another before any decision

Yes you may have a cosignor depending on specific circumstances.

Yes you must reside outside the US for 2 years to comply with requirement.

Best not to relocate for purposes of affidavit of support. You appear to qualify to sponsor based on income provided.

Adjustment of status (of EB2-NIW applicant) based on INA -section 245 (i) - Answer is NO. Please confirm this, Thanks

More information is needed about your specific case and basis for filing in order to answer this.