Reacting to the development, Khan said those issuing fatwa "should go to Pakistan". "India is a democratic country. No one can ostracise me from Islam. Only Allah can decide who is guilty," she added.
As per the fatwa, similar action will be taken against those helping and supporting Khan, Alam said.
"No medicines will be provided if she falls ill. If she dies, no one is allowed to offer 'namaz' on her 'zanaja' (funeral procession). She cannot be buried in kabristan (graveyard) after her death," Alam said quoting the fatwa.
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The fatwa said nobody should talk or greet her and people should stop eating with her.
Making a controversial statement, the cleric had last week said Nida Khan along with Farhat Naqvi, sister of Union Minister Mukhtar Abbas Naqvi, will be ostracized from Islam. Reacting to it, an undeterred Nida had hit out at the Alam saying where was he when Muslim women were victimised in the name of triple talaq, nikah halala and polygamy.
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Maintaining that she is not afraid of such threats, Nida had said she will continue her fight for the justice and Muslim women.
"Islam prohibits both, committing oppression and tolerating the crime. Now thousands of Nidas have emerged and their voice cannot be suppressed," she had said.
Nida had said the All India Muslim Personal Law Board was created under the British rule and it should not be authorised to pass rulings on Muslims.
"We don't accept the AIMPLB but Islam, which came to us 1400 years ago. We will continue fighting for our daughters. These people have always subjugated women but now the time has changed," she had said, adding that none has the copyright over Islam.
Nida was married to Usman Raza Khan alias Anzu Miyan of Ala Hazrat family here in 2015 but was given talaq in 2016.
Since then, she has been fighting for rights of Muslim women.
Slamming the Aala Hazrat family for threatening her, Nida had said the family has 14 cases of triple talaq.
(With inputs from PTI)