The posters were part of an educational program 'Adhaura 30' and was being used to educate the youths in the naxal-affected district and wean them away from the Maoists's influence.
"Just read news about my photograph being used by Bihar Police .. This is illegal, no consent taken or given, lawyers in action now ..," Bachchan posted on Twitter.
Kaimur district's Superintendent of Police (SP) Umashankar Sudhanshu said that the publicity material was used without prior consent of the 70-year-old Bollywood star and has been removed following the latter's tweet.
"We have removed the banner with Bachchan's poster from the only place in Adhaura block that it has been put up to educate the youths. I say sorry to Mr Bachchan for using his poster to motivate and educate the youths," Sudhanshu told PTI.
The police authorities had no malafide intention in using Bachchan's name and posters to educate the youths and said that it was done purely in public interests and not any commercial motive.
Kaimur police had decided to use the actor's name to educate rural youths in the backward and naxal-affect district since last month.
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Hundreds of youths, mostly semi-literate, had attended the educational and motivational programme organised by the Kaimur police in Adhaura district.
The district police authorities had also planned to select 30 of the bright youths as 'Adhaura 30' on the pattern of 'Super 30' from among hundreds of them to educate them properly and enable them to excel in competitive examination.
The police authorities had proposed to extend the educational programme among the youths to other districts affected by the Maoists insurgency at a later stage.