Click "Enroll Now"/"Buy Now" on the Testbook App, then sign up with your name, valid email address, new password, and a valid cellphone number. Then you can choose between Card (Debit or Credit), Netbanking, Mobile Wallet, and UPI as a payment option. You will receive confirmation from us after your payment has been received, and your course will be added to your account. Contact our toll-free number at 1800 8330 800 from 10 a.m. to 6 p.m. for extra assistance.