Looks like Samsung Galaxy S model has been stopped in the market. I visited Samsung showroom to inquire about the price and was told that a new model will come in market by Jan-15 (Pongal timeframe). The reason is supposed to be Super AMOLED screen shortage and newer model will come out with Super LCD screen. Not sure about authenticity.
A few minutes aprior, I had visited Poorvika Mobile Showroom just adjacent to the Samsung showroom. They too informed me that there are no Samsung Galaxy S mobile handsets since 1 week in the market and they are expected to come in about a week's time. They didn't have more information beyond that.