FIRs were today registered against RJD chief Lalu Prasad and his wife Rabri Devi for allegedly violating the model code of conduct by taking their security guards inside a booth of the Digha Assembly constituency here to cast votes in the Bihar Assembly polls.The FIRs for violating the model code of conduct were registered by Digha Block Development Officer Ashok Kumar at the Patna Airport police station against Mr. Prasad and Ms. Rabri Devi.The Returning Officer for the Digha Assembly constituency Maqsood Alam told PTI that according to the rules, a VIP was not allowed to take bodyguards or commandos within a radius of 100 metre of a booth.Earlier, Mr. Prasad and Ms. Rabri Devi along with son Tejpratap and daughter Ragini drove to booth No. 18 at the Veterinary College here and entered with the security personnel in tow.After casting his vote, Mr. Prasad left for campaigning.Mr. Prasad refused to speak to media persons – Thehindu