Interview Type: On-Campus

Result: Rejected

Difficulty: Hard

College: VIT Vellore

Interview Date: 12July 2026

Number of Rounds: 4

Topics Asked: DSA,System design, Core Subjects ( CN DBMS OS OOPS )

For interview Coding round i got Find duplicate element without using extra space (type of first missing positive leetcode question) I got trie question Basically u r given Tata(parent) cost 30 Tata Power(cost 20) Tata Sons(cost 20) Note :tata power and sons are children Since sum of power and sons is 40 we have to return the answer of sum of children not parent had it been parent cost 50 we would have returned 50 So similarly we are given Telco and children Reliance and children Infosys and children Now for output suppose ur given T now T(can be of tata or Telco or tech Mahindra) u have to return the cost with max value suppose ur given Tata then return for tata and subsidiaries and so on.. And interview they asked Projects Sql and nosql db difference why u use mongodb in ur project Second highest salary in two diff ways(sql) Ur project db diagram What is polymorphism (compile time and runtime) Inheritance vs composition in oops Process vs threads Resume question related to scraping how will u build a scraper using ai Hobbies Solid principles (if u know Abt them) What are machine learning pipelines