COIMBATORE: A Covid-19 positive patient was booked on Friday for breaking a windowpane of the isolation ward at ESI hospital after he was not allowed to eat chicken biryani brought by his wife on Friday.The 28-year-old patient from Ukkadam was being treated for Covid-19 at the isolation ward at ESI hospital. His wife had prepared chicken biryani at her residence and brought it to the isolation ward on the first floor of the hospital, where authorities stopped her and reminded her that food from outside was not allowed.In a fit of rage, the patient flung a nearby fire extinguisher on the glasspane of the ward, police said.Resident Medical Officer K Kulandaivelu lodged a complaint with Singanallur police, who registered a case under Section 353 (assault or criminal force to deter public servant from discharge of his duty) of the IPC and Section 3 of Tamil Nadu Public Property Prevention of Damage and Loss) Act.Police said appropriate action would be take against him after he gets discharged from the hospital. TNN