Tender For corrigendum : supply of item no. 1: sm491110153: cardan shaft with swivel 20 degree with revised specification; 180mm flange; , item no. 2: sm495060046: cardan shaft for 2000mm tripper car track drive as per drawing no: gm/con/mi , item no. 3: sm495060047: cardan shaft for 2400mm tripper car track drive as per drawing no: gm/con/mi