Complex sentence: On coming to the masjid, Gyandev was stopped from entering by the Maulvibut the Maulvi heard a voice from the sky asking him to allow Gyandev entrance, saying Gyandev is the son of GOD himself.
Split into simpler sentences: On coming to the masjid Gyandev was stopped from entering by the Maulvi. Then he heard a voice from the sky asking him to allow Gyandev, saying gyandev is the son of GOD himself.