In his letter, Qureshi also accused the Indian government of using 'water as a weapon'.
Ghafoor warned that military response this time will be different in case of war.
Secretary of Pakistan's ministry of water resources Khawaja Shumail said: "We have neither concern nor objection if India diverts water of eastern rivers and supplies it to its people or uses it for other purposes, as the IWT allows it to do so."
The JuD is believed to be the front organisation for the Lashkar-e-Tayiba.
Khan said the Pakistan government was 'determined to demonstrate' that it is capable of protecting its people.
Khan said, "If India has evidence or actionable intelligence, they should give it to us and we will take action."
India has rejected any third party intervention in the Kashmir issue and has maintained that all outstanding matters in Indo-Pak ties should be resolved bilaterally.
It was not immediately clear as to how many days he will stay in Pakistan.
India has slammed Pakistan for stating that it had no role in the Pulwama attack carried out by Pakistan-based terror group JeM, saying Islamabad could not claim that it was unaware of the presence of terror groups on its soil as the links of such outfits to the country were there for everyone to see.
The apex court ordered the government to act against those propagating 'hatred, extremism and terrorism'.
Three cases -- Avenfield properties case, Flagship Investment case and Al-Azizia steel mills case -- were launched by the National Accountability Bureau on September 8, 2017 following a judgment by the apex court that disqualified Sharif.
Bibi was convicted in 2010 after being accused of insulting Islam in a row with her neighbours. She always maintained her innocence, but has spent most of the past eight years in solitary confinement.
He was the chief of the hardline political party Jamiat Ulema-i-Islam-Sami.
The Supreme Court overturned the conviction, a landmark verdict on Wednesday that sparked nationwide protests, death threats from hardline groups.
Asia Bibi was convicted in 2010 after being accused of insulting Islam in a row with her neighbours. She always maintained her innocence, but has spent most of the past eight years in solitary confinement.
The Pakistani PM is now scheduled to travel to Malaysia next week and to China on November 3 to seek financial assistance from the two friendly countries.
Indian officials claimed that the white helicopter crossed into the Indian airspace in Gulpur sector and hovered over there for sometime before turning back.
The India-Pakistan ties nose-dived in recent years with no bilateral talks taking place. The ties between the two countries had strained after Pakistan-based terror groups launched attacks in India in 2016.
According to jail officials, Nawaz, Maryam and Safdar will be released on Wednesday if the order is received prior to the expiration of lock-up time.