India, Aug. 4 -- One should not read too much in an isolated by-poll result. But political consultant turned politician Prashant Kishor's (PK) victory in the Bankipur by-poll should worry the Bharatiya Janata Party (BJP) in Bihar. The reasons go beyond the optics of the fact that the assembly constituency (AC) was held by BJP's current national president Nitin Nabin. Here are five data points which explain the argument.

Published by HT Digital Content Services with permission from Hindustan Times....