Common Admission Test (CAT) is the major and most popular MBA entrance exam for admission in 20 IIMs and over 100 B-schools across India. IIMs conduct CAT on a rotational basis every year. CAT undergoes major changes or introduction of new elements almost each year. CAT 2018 is expected to be notified by IIMs in the last Sunday of July 2018. It is likely that CAT 2018 will be held in the last week of November. The CAT 2018 registration process is scheduled to commence from the second week of August 2018. Around two lakh candidates apply and appear for the computer-based test every year. CAT 2018 score card will be valid only for one year until December 31, 2019. Around 4,000 seats are offered through the 20 IIMs.