India's priority is security and Bangladesh has ensured it. Bangladesh's priority is water, but the complexities regarding the distribution of water from Teesta and other rivers have not been resolved yet.
In addition, there are complications regarding Bangladeshis being killed by the Indian Border Security Force and non-tariff barriers in some areas of trade.
In terms of connectivity, bilateral sub-regional cooperation is now greater than ever. From the possibility of connectivity cooperation between Bangladesh, India and Japan to Matarbari, Bangladesh has also imported electricity from Nepal via India.