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Archana Jaladi 
May I suggest you please refer to below links which might help you further with the above issue.
- https://trailhead.salesforce.com/en/content/learn/modules/isv_security_review/isv_security_review_fix
- https://trailhead.salesforce.com/en/content/learn/modules/isv_security_review/isv_security_review_submit
- https://developer.salesforce.com/docs/atlas.en-us.packagingGuide.meta/packagingGuide/packaging_distributing.htm
Hope this helps.Kindly mark this as solved if the reply was helpful.
Thanks,
Nagendra