1.On a finer point I'd say, Bengalees don't sleep in charpoys - which accommodate only one. Lungi and sari/petty-coat are also convenient apparel compared to shalwar where the nara has a habit of getting struck in the heat of the battle! So consider these logistical issues also.
2.Jack-fruit is popularly accepted as a productive fruit for couples. Pre-71 there were childless officers who used to apply to the MS for posting to the eastern wing to get issues. Obviously they ate as much jack-fruit that they could consume.And many did get children in many instances.