The lawyer representing the masjid committee in the Gyanvapi-Shringar Gauri complex case case died due to cardiac arrest. He was 62.
Abhay Nath Yadav died on Sunday night and will be cremated on Monday, they said.
Yadav was a prominent lawyer representing the Anjuman Intezamia Masjid Committee in the case.
The Allahabad High Court had last week adjourned the hearing of the case till August 3 challenging the maintainability of a 1991 suit seeking right to worship by Hindu petitioners.