Once you have searched and decided on the mutual fund to invest in, Open up the fund page, and click on the SIP option at the bottom of the screen.

The buy order window will display your fund balance and you also get the option to add money to your account. Click here to know how to add money to your account.

Once you have sufficient balance, enter the Initial Investment Amount. The 'Initial investment' amount varies for each fund. Next, you have to mention the 'Installment amount' for the SIP then you can select the Frequency of your SIP . It can be Weekly, 15 Days, Monthly or Quarterly (the order placed for the next installments will be based on the frequency you select). If you select the monthly option you can select the date (1st, 5th, 10th, 15th, 20th, 25th). You can also enter the total number of installments or you can select the until cancelled option.

You can also modify your SIP whenever you want to, check this article to know more.

Note:

1. All orders are sent to the exchange at the cut-off time on trading days. If you have placed an order after the cut off time, your order will be sent to the exchange for execution the next working day. If you have placed an order before the cut off time, the units will be allotted to you on that day’s NAV.

2. Please ensure to maintain sufficient funds in your Zerodha trading account before 11 AM for the SIP orders on the SIP due date. The SIP orders can also be deleted before 11 AM (AMC SIP orders cannot be deleted).