Unfortunately you have not understood bengal in spite of living in bengal for long time.
Bengalis are mostly philosophical im-born philosophical and thats the reason we never think about SC ST OBC unless there is a news in the paper.
Dear Rama,
Do not forget 90% of the caste and fanatic problems are created by journalists, not politicians. Think properly. News papers are more dangerous than Abdulla Bukhari, or Mayavati. If they decide to remove castism from india, it will be removed completely in five years.