Gyanvapi Mosque built after Shiva temple's destruction by Aurangzeb.
Hindu groups seek worship permission, leading to legal battles.
ASI investigates mosque's origins as controversy persists.
Past destruction and reconstruction of Kashi Vishwanath temple recounted.
Ram Mandir movement echoes concerns over historical injustices.
Gyanvapi case and Mathura temple issue remain unresolved, sparking legal petitions.
Varanasi court judgment faces challenge in higher courts.