A 50-year-old undertrial prisoner lodged at a jail in Maharashtra's Thane district has died after complaining of sudden chest pain and giddiness, police said on Sunday.

As reported by PTI, the deceased has been identified as Ajay Anandji Kalhan, alias Helam Ravindra Kapadia (50). Without specifying the charges against him, an official from the Khadakpada police station said that Ajay was lodged at the Aadharwadi Central Jail in Kalyan.