The ATMA 2018 exam, conducted by the Association of Indian Management Schools, has key dates including registration from June 30 to July 30, and the exam on August 5, 2018. Candidates must register online, pay a fee of INR 1298 (with concessions for certain groups), and can download their admit cards between August 3 and August 5, 2018. Registration requires personal details, scanned documents, and a personal identification number received post-fee payment.