1. A pharmaceutical composition comprising Pirfenidone and one or more pharmaceutically acceptable excipients, wherein the said composition is free of binding agent.
2. A pharmaceutical composition according to claim 1, where in one or more pharmaceutically acceptable excipients are selected from diluents, disintegrants and lubricants.
3. A pharmaceutical composition according to claim 2, where in the diluents are selected from lactose, starch, corn starch, pregelatinized starch, maize starch, potato starch, sorbitol and xylitol.
4. A pharmaceutical composition according to claim 2, where in the disintegrants are selected from sodium starch glycolate, croscarmellose sodium, polacrilin potassium, crospovidone, pregelatinized starch
5. A pharmaceutical composition according to claim 2, where in the lubricants are selected from glyceryl dislearate, talc, magnesium stearate, stearic acid, fumaric acid, palmitic acid and sodium stearyl fumarate.
6. A pharmaceutical composition according to claim 1 is prepared by direct blending, dry granulation or wet granulation process.
7. A pharmaceutical composition according to claim 1 is in the form of powders, tablets, capsules and tablets filled in capsule.
8. A pharmaceutical composition comprising Pirfenidone and one or more pharmaceutically acceptable excipients, wherein the said composition is free of binding agent resulted in T/R ratio of Cmax 99.7 in Fasting and 104.7 in Fed conditions.
9. A pharmaceutical compOSition comprising Pirfenidone and one or more pharmaceutically acceptable excipients, wherein the said composition is free of binding

agent resulted in T/R ratio of AUC (M and AU(1 (H„rof 100.0 in fasting and 95.0 in Fed conditions.
10. A pharmaceutical composition comprising Pirfenidone and one or more pharmaceutical^ acceptable excipicnts, wherein the said composition is free of binding agent resulted in bioequivalent to that of marketed product Ksbriet.