Manzana (Costa Rica, Honduras, El Salvador) to Bigha (Uttar Pradesh / Bihar, Pucca): the quick answer
To convert manzana (Costa Rica, Honduras, El Salvador) to bigha (Uttar Pradesh / Bihar, pucca), multiply the value by 2.76322. To go the other way, multiply bigha (Uttar Pradesh / Bihar, pucca) by 0.361897 to get manzana (Costa Rica, Honduras, El Salvador).