For investing in index funds, one can create a brokerage account or open an investment account from any investment app; pick an index fund that incurs lower costs, such as S&P 500 or total market indices. One should set automatic investment, incur low fees, and remain invested for an extended period. These types of funds will offer diversified exposure to the market.
To invest in index funds, open a brokerage or mutual fund account, choose a low-cost index fund like Nifty 50 or S&P 500, start SIP or lump sum investment, enable auto-debit, and stay invested long-term for steady market returns growth.