Once children are fed well, clothed well, given basic education and nurtured to their respective adulthood, the parents duties are over and they are in no compulsion to further bonds with their children if any, due to some acrimonious incidence from one of their child(ren) which hurts them. This is acceptable Asian way of life.
Having opined as above following may help regain parental love and affection;
1. Publish in local daily / national newspaper an ‘unconditional apology’ sighing the item as their son and post the full page of the newspaper to them to make aware of your efforts to regain their trust, love and affection.
2. Involve close relatives, elders, close family friends in patching up differences with unconditional assurance of not repeating incidence that hurt your parents.
If above genuine efforts helps then follow them accordingly. If it does not then they are not in any boundation to undertake sought religious ceremony on account of your marriage. Hindu way of life says any married couple above the average of intended marrying couple can perform the religious ceremony on behalf of living parents. Thus seek guidance from local Hindu seers on Hindu way of life especially marriage ceremonies accordingly.
Law does not come in picture in instance query at all.
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