Maharashtra Deputy Chief Minister and BJP leader Devendra Fadnavis on Thursday said his party will introspect why it lost the Assembly bypoll to the Kasba Peth ?seat in Pune district and maintained the victorious Congress candidate won on the strength of ?his own political calibre. Earlier in the day, Congress candidate Ravindra Dhangekar defeated Bharatiya Janata Party ?nominee Hemant Rasane to win the Kasba Peth Assembly seat, which had been with the BJP since 1995. Dhangekar, a five-time Pune corporator and prominent local politician, joined the Congress in 2017.