Tech Mahindra interview questions

it was quite easy. 1st round was face to face.most question on core java. they want full stack developer . but in job portal they mentioned advance java,java,spring ,hibernate .but they want angular js which i don't know.so i didn't got selected. job was for permanent position. even they asked me that how much time i will take to learn angular j s . they are expecting everything .so i will suggest to prepare both front and back end very well. Web services also.