Pakistani

But Pakistani authorities have said India was already sharing very limited hydrological data.

India also cancelled visa services to Pakistani nationals "with immediate effect".

India has also cancelled some visas held by Pakistanis and ordered holders to leave within two days, while demanding Pakistan renounces "support for cross-border terrorism" - something Islamabad denies.

Nearly every family told the BBC that Pakistani border guards restricted what they could bring – a complaint echoed by some human rights groups.

"It's not just the military relationship. The Pakistani establishment is also reviving ties with Bangladeshi Islamist parties like the Jamaat-e-Islami, which supported Islamabad during Bangladesh's independence war," she adds.