Ya BJP is the only challange to all other hopless political party, If BJP is not there this parties will never ever do wotk, which they might be doing after feeling threat from BJP. Fear in modi's rule,agreed only in the mind of anti indian people, if u love india, no fear..terror..atack as far as i know only one akshardham.. after that he proactively clean terror..ist.. and i also personaly feel proactive approach rather then act after crime.. hope i clear doubts u have..:)