The Opin-A Tablet for Cardiac comprises of Amlodipine [As Besilate] 5 mg and Atenolol 50 mg. Baroque Pharmaceuticals Pvt. Ltd. Manufactures Opin-A Tablet for Cardiac. Baroque Pharmaceuticals Pvt. Ltd. Is ISO 9001:2000 and WHO G.M.P. Certified company. Baroque Pharmaceuticals Pvt. Ltd. Supplies pharmaceutical products like coated and uncoated tablets, General and B-Lactum antibiotics capsules and oral liquid preparations