Elementary teachers working under the ST and SC Development Department have warned that they would stop doing hostel management duties from April 1 if the State Government doesn’t fulfil their six-point charter of demands by then. Members and office bearers of the All Odisha Elementary Teachers Association, ST and SC Development Department, in its executive body meeting held here demanded recognition to 15,000 teachers working under the department, hike in grade pay at par with the School and Mass Education Department and limiting working hour duration to eight hours only.