A Systematic Investment Plan (SIP) top-up is a service offered by mutual funds that increases the  (SIP) 

SIP has grown in popularity over the past few years as one of the most useful methods for accumulating

It aids investors in maintaining discipline in their investment and can assist them in accumulating money 

allowing them to invest a predetermined amount (let's say, Rs 10,000) at a specified interval (let's say, monthly).

SIP top-up is a mutual fund add-on feature that allows investors to raise the SIP payment amount

The SIP amount is increased by a defined amount at predetermined times when using a fixed SIP 

Under variable SIP top-up, the SIP amount is modified by the investors' chosen fixed percentage

With a SIP top-up, investors can increase their monthly instalment amount periodically