"Our national president Amit Shah will be visiting Lucknow on August 19," BJP spokesman Vijay Bahadur Pathak said.
He said that "on the same day a big convention of the workers would be held, which would be addressed by Shah".
Pathak said that a meeting of the in-charges appointed for by-elections in Uttar Pradesh was held today which was addressed by state president Laxmi Kant Bajpai and organisational general secretary Sunil Bansal.