Tenders for Supply of Carboxy Methyl Cellulose 0.5 % Eye Drop, 10 Ml Phial. Product Should Be Available In The Approved Product List Of Railway Board. Carboxy Methyl Cellulose 0.5 % Eye Drop, 10 Ml Phial. Product Should Be Available In The Approved Product List Of Railway Board. Carboxy Methyl Cellulose 0.5 % Eye Drop, 10 Ml Phial. Product Should Be Available In The Approved Product List Of Railway Board. Carboxy Methyl Cellulose 0.5 % Eye Drop, 10 Ml Phial. Product Should Be Available In The Approved Product List Of Railway Board. Carboxy Methyl Cellulose 0.5 % Eye Drop, 10 Ml Phial. Product Should Be Available In The Approved Product List Of Railway Board.