MicroGenesis Techsoft Private Limited Software Developer 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.