The bigha (Hindi: बीघा, Assamese: বিঘা, Bengali: বিঘা) is a unit of measurement of area of a land, commonly used in Nepal, Bangladesh and in a few states of India including Uttaranchal, Maharashtra, Himachal Pradesh, Uttar Pradesh, Bihar, West Bengal, Assam, Gujarat, Rajasthan etc. The precise size of a bigha appears to vary considerably. Sources have given measurements that range from 1,500 to 6,771 square meters, but in several smaller pockets, it is as high as 12,400 square meters.
Read more about Bigha: Uses in India, Use in Nepal, Uses in BANGLADESH, Use in Fiji