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This excerpt taken from the INFY 20-F filed Apr 26, 2005. Indian Stock Exchanges
The major stock exchanges in India, The Stock Exchange, Mumbai and the National Stock Exchange, account for a majority of trading volumes of securities in India. The Stock Exchange, Mumbai and National Stock Exchange together dominate the stock exchanges in India in terms of number of listed companies, market capitalization and trading.
The stock exchanges in India operate on a trading day plus two, or T+2, rolling settlement system. At the end of the T+2 period, obligations are settled with buyers of securities paying for and receiving securities, while sellers transfer and receive payment for securities. For example, trades executed on a Monday would typically be settled on a Wednesday. The SEBI has proposed to move to a T+1 settlement system. In order to contain the risk arising out of the transactions entered into by the members of various stock exchanges either on their own account or on behalf of their clients, the Stock Exchanges have designed risk management procedures, which include compulsory prescribed margins on the individual broker members, based on their outstanding exposure in the market, as well as stock-specific margins from the members.
To restrict abnormal price volatility, SEBI has instructed stock exchanges to apply the following price bands calculated at the previous day’s closing price (there are no restrictions on price movements of index stocks):
Market Wide Circuit Breakers. Market wide circuit breakers are applied to the market for movement by 10%, 15% and 20% for two prescribed market indices: the BSE Sensex for the BSE and the Nifty for the NSE. If any of these circuit breaker thresholds are reached, trading in all equity and equity derivatives markets nationwide is halted.
Price Bands. Price bands are circuit filters of up to 20% movements either up or down, and are applied to most securities traded in the markets, excluding securities included in the BSE Sensex and the NSE Nifty and derivatives products. The equity shares of Infosys are included in the BSE Sensex and the NSE Nifty.
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