Mr. A.P. Chowdhri, President—Brief facts giving rise to this appeal are that Smt. Nirmala Bhatnagar (complainant No. 2) wife of Shri Atma Prakash Bhatnagar (complainant No. 1), aged 68 suffered from Herpes Zoster on the left side of the head, forehead and swelling on the left side eyebrow in June-July, 1989. After about three weeks, the swelling subsided but itching continued. Thereafter she suffered from inflammation and infection of the eyes at times for which she took treatment in January-March, 1991. She also suffered from Uvietis for which she was treated at the A.I.I.M.S. (AIIMS). On July 2,1991, she consulted the opp. party Dr. N.K. Patnaik, Eye Specialist, with regard to the cataract in the left eye. She paid Rs. 100/- as consultation fee. She was told that the cataract was mature and required to be operated and with Intra Ocular implantation her eyesight would improve in the left eye. She was further informed that the operation would be performed with YAG Laser. She agreed and accordingly the operation was performed by Dr. Patnaik on 8.7.91. She paid Rs. 5,500 /- on account of operation fee and cost of Intra Ocular Lens (IOL) and Rs. 485/- as hospital charges. She was