Kamagra tablet contains an active ingredient called sildenafil citrate which is a powerful drug for the treatment of men suffering from erectile dysfunction. The effect of this drug lasts for 4 to 6 hours. Take this medicine one hour before sexual intercourse. The kamgara 100 is an Indian product. Which is manufactured by Ajanta pharmacy. Take this medicine with water without chewing or breaking. This medicine can be taken with or without food.