A SIP, or systematic investment plan, invests a fixed amount in a fund at regular intervals, usually monthly, by automatic debit from your bank.
A systematic investment plan buys units of a fund on a set date, every month or at another chosen interval, for an amount you fix. The money is taken from your bank account under a one-time mandate, through e-NACH or UPI AutoPay.
Each instalment buys units at that day's NAV. When the NAV is low, the same amount buys more units; when it is high, fewer. ₹5,000 buys 100 units at an NAV of ₹50, and about 83 units at ₹60. Over time your average cost per unit ends up below the average of the NAVs you bought at, an effect called rupee cost averaging.
The SIP calculator shows what a monthly amount could grow to at a chosen return.
Each fund page has its returns, risk, costs, managers and everything it holds.