As per the recommendations of the MDDS Committee a new coding pattern for various geographical entities has been devised. The Location Code Directory has been provided unique codes on All India basis which can be used for various e-Governance purposes. The coding convention used is as described below: 1.The State code of 2 digits within India has been used similar to the one used in earlier census. 2. The District code of 3 digits continuous code within India has been given. 3. The Sub-district code of 5 digits continuous code within India has been used. 4.