People are dying from extreme heat, which is also killing a large number of chickens and destroying tea plants
The two secretaries will review areas of bilateral cooperation between the countries during the visit, the foreign ministry, earlier, said.
They are also expected to discuss the proposed visit of Prime Minister Sheikh Hasina to India which was earlier postponed in December.
Jaishankar will also call on Prime Minister Sheikh Hasina at her parliament office at 5pm. Haque will host a dinner in his honour.
He will leave Dhaka on Friday morning.