You can stop your SIP by following these simple steps:
Home page → Mutual Funds (either from the center of the screen or from the bottom tab) → Goal in which you have SIP running → SIP Center → SIP Actions → Stop SIP.
Click on the SIP tab (center of the screen, beside My goals) → SIP Actions (besides the goal of choice) → Stop SIP
You can also refer to these screenshots to guide you:
Step 1. Click on the Mutual Funds section.
Step 2. Click on the goal in which you wish to stop the SIP.
Step 3. Click on "SIP Center".
Step 4. Click on "SIP Actions".
Step 5. Click on "Stop SIP"
6. Review and confirm.
Please note that you would need to stop the SIP at least 4 days before the next scheduled SIP date. For example, if the next SIP date is January 7, you can skip the SIP till midnight on January 3.
If you have a NACH mandate registered for auto-debits, you can stop the SIP at least 1 day before the next scheduled SIP date. For example, if the next SIP date is January 7, you can skip the SIP till midnight on January 6.
If you only wish to skip the SIP for one or two months, refer to this FAQ.