Uttar Pradesh Chief Minister Yogi Adityanath while addressing a press conference on Wednesday said that Bhartiya Janta party (BJP) underestimated the importance of SP-BSP combo in the by-polls. BJP suffered defeat in both Gorakhpur and Phulpur Lok Sabha bye-elections by a staggering margin. Gorakhpur is Adityanath's home constituency which he represented in Lok Sabha for five times till the time he became Chief Minister in 2017.