In last decade many real world applications based on an unimodal biometric systems. Generally it used the human’s physiological characteristic like face, finger prints and thumb for person verification, Biometric provided the great solution of security often unimodal significant limitations due to sensitivity to noise ,interclass variation , non-universality , Spoof attacks and other factors. Attempting to improve the performance of individual matchers in such situations may not prove to be highly effective. Multi biometric systems seek to alleviate some of these problems by providing multiple pieces of evidence of the same identity. These systems help achieve an increase in performance that may not be possible using a single-biometric indicator. Aadhar card is an best idea to check the authenticity of a person it is more secure and identical. India launched a digital innovative project Aadhar that was introduced under the scheme ‘UIDAI (Unique identification Authority of India) by the UPA(United Progressive Alliance)government in year2009  is one of the significant projects to bring the universal trend. The main purpose of Aadhar is centralization of various e-governance functionalities and make sure the best possibilities of utilization of Information, Aadhar card is a combination of demography and multi modalities which provides the unique ID to every person it helps to identify the person individually . Aadhar card overcomes the limitation of the biometric system and enhances the features of multi modal biometric system. The most important benefits of Aadhar card are Aadhar based Direct Benefit Transfer (LPG Subsidy), Jan Dhan Yojana, Passport in 10 Days , Digital Locker, Voter Card Linking, Monthly Pension, Provident Fund, Opening new bank account , digital Life Certificate, Mobile number, Driving license , PAN card and IT return