Complex sentence: Then he joined Madrasa Manabaul Uloom, Koothanellore.From 1967 to 1970 he at this center of Islamic higher studies and graduated as an Aalim.
Split into simpler sentences: Then he joined Madrasa Manabaul Uloom, Koothanellore. He spent 1967 to 1970 at this center of Islamic higher studies and graduated as an Aalim.