There are total 2 round..
First one is online test which consist of 4 section in amcat, First section consist of apti and reasoning questions and those are very easy similar to indiabix. In second section, questions are related to personality test. In the third section we have to answer the questions based on case study, that what you will do if certain situation is there.
The forth section is most most difficult section of whole selection process that is technical round. Axis bank technical round was really a tough one where you have to answer 60 questions in 60 minutes and those questions are from c#, java, java script,sql,asp.net,xml,jdbc,html,php,awt,spring,swing and many other languages, I only able to identify those.
Second round.. (technical cum hr round)
Cross your finger you are going to ask only from new technologies and from your project.. and they will say why this why that.. i.e why you are interested in java but in project you are using c#. Java is paid or c# , all about open source, what is Oracle jdk and open jdk and many many these types of questions.. also like what is angular js , node js , amazon efs etc..
And also be prepare for schema designing of database and what will be the complete approach to design all the 3 tier architecture of certain system.