Lucknow/Varanasi (UP), Nov 7 (PTI) A controversy erupted over the demolition of a portion of the house of shehnai maestro Bismillah Khan after Samajwadi Party chief Akhilesh Yadav raised the matter. The demolition of a portion of the house of Bharat Ratna awardee and legendary shehnai maestro Ustad Bismillah Khan in Varanasi has triggered a political controversy, with Samajwadi.