Tech Mahindra Software Engineer-embeded interview questions

First round is apti it contains 30 apti question and 10 core electronics question, core questions were quite tricky and also there is negative markings and marks vary according to difficulties of that question

Interview is technical, there were around 10 to 20 questions. About C Programming, software design, development, unit testing, functional testing, verification and validation. Software Integration, qualification testing. Micro controllers, Testing tools etc..