Considering,
Monthly SIP = 3,50,000
Period = 15 yrs
Step Up = 10%
CAGR = 12%
Without adjusting for inflation:
NW in 15 yrs = 30 Cr
While adjusting for inflation using calculator above:
Which probably use a real return = (1+CAGR)/(1+inflation) - 1
NW in 15 yrs: 15 Cr
So basically it halved...