"apne maa-baap ne unhein bahut hi pyaar aur samman diya tha." "pyaar" again pyaar, "samman" garima (respect, excellence, dignity).
Need to proceed carefully, term by term, ensuring that each substitution is valid and maintains the meaning. Also, verify the Hindi terms for accuracy. For example, "vilva" in Hindi means alliance or union, but in the context of marriage, maybe "shaadi" is better. However, the user might accept "vilva" as a synonym even if it's not commonly used. Alternatively, look for more common terms. Similarly, "nishchay" is decision, so might not fit. So maybe nishchay? Wait, "vilva" is a type of tree, not used for marriage. So maybe "vilva" is incorrect. Alternative synonyms for "chudai" (marriage) in Hindi could be "vilu", "nishchay", "saunthna", but not sure. Maybe better to use chudai to get three variants, even if one is a bit off. Alternatively, check if "vilva" is used
Next part: "Jab Rahul aur Rukmini bade hue, to unhein apne maa-baap ne alag-alag jagah par padhai karne ke liye bheja." "bade" is grown up, so purnwrshti (grown up, adult). "alag-alag jagah" can be prant (different places, states).
Need to ensure that each term in the original text that's more than one word is converted where possible. Also, check for consistency and correct Hindi synonyms. Need to make sure the spintax replaces the exact terms and phrases as per the user's request, keeping proper nouns like "Bhai Behan", "Rahul", "Rukmini" untouched. Also, some parts might require more than three synonyms, so maybe find three appropriate variants for each term. Also, watch out for collocations and make sure the substitutions make sense in context. For example, "chudai" (marriage) should have synonyms like "shaadi", "vilva", "nishchay". "Dard bhari" could be changed to "durbhalta" (weakened) but maybe not the best. Instead, stick to synonyms like "dukhdaayi" (painful), "dard bhari" itself, "shram bhari" (toiling).