you have a poor knowledge of Indian vedic literature and yet you call yourself Indian! The caste system was criticized by muslims when they invaded Indian because they wanted to spreak Islam. Then the brits came and they wanted to spread christianity and they deprecated the hindu caste system.
Originally the caste system was not by birth but by qualities. If one who is born in a Shudra family acts like a brahmana then he can become a Brahmana. Similarly if one born in brahmin family acts like a Shudra then he is no longer called a Brahmana.
Now for some examples to prove the above point.
Perianammbir, the guru of Ramanucharya was born in a Shudra family. Similarly Valmiki, who was a highway robber (not even a shudra by birth), went on to write the Ramayana which is even today accepted by all the brahmins and the vedic scholars. Suta Goswami was born of a lower parentage and he recited the Srimad Bhagavatam which is even today sung by many learned people. In this way there are countless examples.
Just because the muslims and then the brits followed by our dumb and corrupt politicians are carrying out a vicious propoganda, it does not mean we should stop thinking intelligently.
"Inadvertently Human" has rightly pointed out that India was one of the richest countried in the world about a 1000 years back. It was flourishing both spiritually as well as materially. Imagine the whole Somnath temple was made of solid gold! What has the west to offer today other