Complex sentence: Some people believe that this temple was constructed during the Marathas while other believe that Adi Sankracharya performed his Tapshaya here and these idols were installed by him in this temple.
Split into simpler sentences: Some people believe that this temple was constructed by the Marathas. Others believe that Adi Sankracharya performed his Tapshaya here and that these idols were installed by him in this temple.