Tip 1 : Make you Data Structure and algorithms , Problem solving strong ( use to do some dsa problems on code studio and leetcode daily.
Tip 2 : Practiced Quality questions and mostly asked questions list available on codestudio( used company tags and topic tags) as quality matters more than quantity of questions .
Tip 3 : Give mock interviews, this really helped me as it gives you clearity and builds confidence.
Tip 4 : Read respective company’s interview experiences available on codestudio and other websites before going to actual interview, as this gives you idea about level of interviews and you can prepare beforehand.
Tip 5 : after solving dsa problem .Try to look in discussion section too as you can get more optimised or more efficient approach used by others to solve the problem.
Tip 6 : Prepare important concepts from Operating system,DBMS,System design too as that might also be asked.
Tip 7 : Do atleast 2 quality projects.
Not a Tip But : Lot of quality content available online, whenever felt like stuck with some concepts take help from senior or colleagues ( I use to watch coding ninja shorts by parikh jain whenever felt demotivated or stuck with concepts)
Tip 1 : Have a concise resume , don't fill your resume with unnecessary details like your address, relationship status etc.
Tip 2 :Resume should not be more than 2 pages( try to make it very concise in 1 page)
Round 1 was mainly focused on data structures and algorithms ,core java concepts and dbms



you are given a string and you have to find the minimum number of characters to be inserted to convert it to a palindrome.
Tip 1 : Be clear and loud while solving problem , discuss approach with interviewer.



Given an array, print the Next Greater Element (NGE) for every element. The Next greater Element for an element x is the first greater element on the right side of x in the array. Elements for which no greater element exist, consider the next greater element as -1.
brush up basic core java concepts like oops concepts, serialization and also java 8 new features, was asked to write codes with java 8 features
ACID properties,sql quries like 2nd highest salary from employee table and more dbms concepts.
Focussed mainly on projects and system design
I was asked about projects.HLD of my current project and my role in it.Different design patterns were asked .discussed various architectural approach for solving problem according to requirement.some medium array and string dsa questions.
Managerial round
Mainly about my current role and projects i worked on.Discussed HLD problems from projects i worked on and side projects.
Introduction ,Where do you see yourself in 2-3 years?
What do you know about Airtel Xlabs?
Why do you want to join Airtel?
Tip 1 : read about company before applying.

Here's your problem of the day
Solving this problem will increase your chance to get selected in this company
What is recursion?