MicroGenesis Techsoft Private Limited interview questions

When it comes to the interview process they have multiple rounds they have written test, GD, Technical interview, Presentation round, Talk with vice president. I cleared till technical round and wasn't able to make up the presenatation round, Till today I don't understand the eason for putting me down. Am not the only one they have done this to. So many candidates have faced the same problem, And I have missed an offer because of them.