India, Nov. 20 -- Jan Suraaj founder Prashant Kishor on Thursday observed a silent "maun vrat" at the Bhitiharwa Gandhi Ashram in Bihar, days after his fledgling party failed to win a single seat in the Assembly elections.

His introspection ritual coincided with Nitish Kumar taking oath for a record 10th term as Bihar Chief Minister, in the presence of Prime Minister Narendra Modi and top NDA leaders.

Kishor had already announced on Tuesday that he would undertake a day-long silent fast on November 20, saying it was his way of acknowledging his failure to convince voters.

Kishor added that he intends to work "twice as hard" and has no plans to back down from his mission to "make Bihar better."

The NDA swept the polls, with the BJP eme...