Indian

Some of the popular Indian desserts have been covered in other answers, so I will instead focus on the desserts that originated/are popular in Tamil Nadu in South India.

Some of these are not very popular outside the state, but plenty of recipes come up with a google search if you are interested.

1. Jil jil jigarthanda
   
   
2. Falooda
   
   
3. Sakkarai Pongal (Not exactly dessert but sweet and awesome)
   
   
4. Theratti Pal
   
   
5. Tirunelveli Halwa
   
   
6. Payasam
   
   
7. Kozhakkattai
   
   
8. Kesari