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drona

In India, at least as early as the 16ᵗʰ century – 19ᵗʰ century,

1

A unit of capacity, = 1/16th of a khári.

2

In Chittagong and Sylhet, a unit of land area = 16 kánis.

sources

Droṇa, Ben[gali]. (S[anskrit]. ) A measure of capacity, equal to 1/16th of a khári. (In Chittagong and Sylhet) a land measure equal to 16 kánis.

H. H. Wilson, 1855, page 149.

4 A'dhaka = 1 Drona
2 Drona = 1 Súrpa
2 Súrpa = 1 Khári

Abul Fazl-i-Alámí.
The Ain i Akbari. Vol. 3 (Books IV and V)
H. S. Jarrett, trans.
Calcutta: Baptist Missionary Press, 1894.
Page 124.
Written in the 16ᵗʰ century by Akbar's vizier.