New Delhi: Union Home Minister Amit Shah visited the AIIMS trauma centre in Delhi on Thursday and checked on the health of the security personnel injured during the 21-day-long anti-Naxal operation carried out in the Karegutta Hills (KGH) at the Chhattisgarh and Telangana border. Security forces recently conducted a 21-day anti-Naxal operation on the Karreguttalu.