First Dr. Dubey who was in KMH 2 as kritika's grandfather n now aradhna uppal who was kritika's mother-in-law in kmh 2..n now she is also here may be as sister-in-law this time 😆
apart from this ...there r many things
1. In kmh 1 kritika fell in love with his sadu boss n ditto here .
2. In kmh 1 she had only father n no mother ..ditto here .
3. In kmh 1 she had 1 bua who used to care for her ..ditto here .
4. In kmh 1 hero suffered in his childhood ..ditto here .
5. In kmh 1 there was one more love track as side track of purvi n salil ..n here anji n ranga .
6. In kmh 1 & 2 there was a vamp bw lovers so as here .
7. In kmh 1 there was judai track so as here .
8. Kmh 1 is about kritika's profession n so as here ..difference is that there she was singer n here doctor .
9. In kmh 2 there was a kid involved which was not the actual child of couple ...n so as here .
n so many other similarities as well ...if u remove the age gap thing then both the shows have many similarities 😛 Though i agree that there r many things which r common in all love stories but the way actors of KMH r coming in KTLK ..ab kuch to log kahenge 😛