Zaheerabad Lok Sabha MP BB Patil resigned from Bharat Rashtra Samithi (BRS) to join Bharatiya Janata Party (BJP). This follows another BRS MP joining BJP. BRS faces losses since the last election to Congress. BJP aims to improve its position in Telangana. Patil, a two-time BRS winner, might have switched due to potential replacement. BJP assures no promises to Patil.