Round 1:-\nFind an element in rotated sorted array. O(logn)\nPrint Bottom view of BT\nBuild Generic LRU Cache\n\nRound 2\n\nDesign Elevator\nDesign Airtel Customer Care Portal\nHashMap Implementation\n\nRound 3\nFind two element in an array such that i+j = arr[i]+arr[j] (suggestion for the most optimal approach are welcome)\nDesign an application server (TOMCAT)\nDesign an API for operation for example input will be a^2 \u2013 b^2, ax^2 + bx + c (Suggestions welcome)\n\nRound 4\nBehaviourl Questions\n\nEducation: Computing from TIER - 2\nYears of Experience: 6.5 years\nPrior Experience: Product Based MNC\nDate of the Offer: 25th April 2021\nCompany: Airtel X Labs\nTitle/Level: Lead Engineer E3\nLocation: Gurgaon\nSalary: 37.5 LPA\nRelocation/Signing Bonus: 2 lakhs\nStock bonus: None\nBonus: None\nTotal comp (Salary + Bonus + Stock): 39.5 LPA for 1st year\nCurrent salary : 26.5 LPA\nBenefits: Free BroadBand and DTH\nCan anyone guide how\'s the Digital Experience Team and how\'s the working environment in Airtel (In terms of work life balance and environment)?

Round 1:-\nFind an element in rotated sorted array. O(logn)\nPrint Bottom view of BT\nBuild Generic LRU Cache\n\nRound 2\n\nDesign Elevator\nDesign Airtel Custo