Even as it works on a strategy to win back the 16 Lok Sabha seats its lost in 2019 general elections, the BJP is also learnt to have trained a sharp focus on more than 10 ‘vulnerable’ seats where it faced a stiff competition from the opposition, primarily the SP-BSP combine, reports Pankaj Shah. They include the four LS seats – Machhlishahr, Shrawasti, Meerut and Muzaffarnagar — where the victory margin was slender enough to have left the saffron brass edgy.