Gujarat Vigha (Bigha) to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert vigha (Gujarat) to bigha (Uttar Pradesh / Bihar, pucca), multiply the value by 0.64. To go the other way, multiply bigha (Uttar Pradesh / Bihar, pucca) by 1.5625 to get vigha (Gujarat).
↔ Convert bigha (Uttar Pradesh / Bihar, pucca) to vigha (Gujarat) instead