The drubbing in Bihar polls has come as a rude shock for the BJP. The Modi wave which swept the entire country in 2014 proved ineffective, first in Delhi and now in Bihar. So, what really cost the BJP? Absence of a chief ministerial face or a flawed poll formula? The party says it will introspect and learn. So, will the introspection go beyond the usual chintan? Dr Prannoy Roy debates the Bihar impact on the future of the saffron party and country's national politics.