Anurag thakur the great ! Parliament is not for regressive discussion but for present discussion. And as far as your argument about Indian national congress past sins,people have punished it by keeping it out of power. If you are asking about answer to your questions on Indian national congress past misrule,it is sense that one has to be wrong with wrong.And Indian national congress is social.sense.which can be self-experienced only but can't be discussed in society.