Tirupati, Oct 16 (UNI) YSR Congress Party Lok Sabha floor leader P V Midhun Reddy challenged Andhra Pradesh Chief Minister Chandrababu Naidu and Minister Nara Lokesh to prove their strength through free elections instead of attacks, intimidation and obstruction of opposition nominations. “If the Naidu headed coalition government enjoys public support, why prevent our candidates from contesting? Accept nominations, conduct fair elections and win through the people’s verdict,” he said.