The man allegedly posted a message on a WhatsApp group stating that he had contracted coronavirus infection and that he did not wish to be admitted to a hospital till his condition deteriorates.
According to a senior police officer of the Thane police, Hasnain had borrowed around Rs 67 lakh from his close kin on various occasions under the pretext of doing business.
Hasnain had butchered 14 of his family members and then ended life after a weekend feast on Sunday.