Home |Harshith N Harshith N 1 Answers, 841 Claps, 18361 Views Share × Feeds Questions Answers Guides How to renew the income certificate in Karnataka ? Visit your nearest Nadakacheri or Municipal office or corporation with your old certificate, aadhar enough,Averagely after 10-15 days you can download it in digi locker application. 1 841 18361 No questions added by Harshith N. How to renew the income certificate in Karnataka ? Visit your nearest Nadakacheri or Municipal office or corporation with your old certificate, aadhar enough,Averagely after 10-15 days you can download it in digi locker application. 1 841 18361 No Guides added by Harshith N.