1. You should inform your parents as well as second guy that in your youthful days you committed a mistake and ready to rectify kindly help me.
2. Also state to both of them that no intercourse took place in first marriage but marriage was registered by both of you. Also tell them boldly that now I wish to go for mutual consent divorce with my first husband and ready to marry second time thus provide me help forgiving my past youthful mistakes.
3. Reasonable parents and any reasonable metro man would understand all these youthful emotional mistakes youths commit.
4. Hire an advocate's services and get hold of first guy and jointly file for first motion as seeking mutual consent divorce. Wait for 6 months and done with second motion and with decree in mutual consent divorce you are legally eligible for second marriage.
5. In all these legal process you / your side should get hold of first guy for 6 months as well as keep the second marriage proposal on hold for 6 months in confidence with assurance to second man that yes thank you for forgiving my pasts kindly wait for legal clearances and accept me in your life.
People who appreciate honesty will wait for 6 months otherwise also first marriage needs to be dissolved as it didnot work out as you say and your parents are in process out of ignorance are searching for your suitable match so this past mistake will haunt you even next to next time too.