Patna: Election strategist Prashant Kishor appeared to be lending his voice to the opposition in Bihar on Sunday, when he attacked Chief Minister Nitish Kumar for allegedly not coming out of his official residence here for nearly three months following the COVID-19 outbreak.Kishor, who was elevated to the post of national vice-president in the Janata Dal (United) headed by Kumar within weeks of joining the outfit two years ago but expelled from it on disciplinary grounds earlier this year, came out with a stinging tweet criticising the ruling NDA for gearing up for the Assembly polls at a time when the outbreak has entered a critical stage in Bihar."Scared of stepping out of his residence during the last three months because of corona,.