The goal of any drug delivery system is to provide a therapeutic amount of drug to the proper site in the body and also to achieve and maintain the desired drug concentration. Microencapsulation is a process whereby small discrete solid particles or small liquid droplets are surrounded or enclosed, by an intact shell.The microparticles offers a variety of opportunities such as protection and masking, better processabilty, improve bioavailability, decreasing dosing frequency, improve stability, reduced dissolution rate, facilitation of handling, and spatial targeting of the active ingredient....