There are several. Some may claim 12 but it is more. Well, few are as below:
Sun Temple, Konark
Sun Temple, Modhera
Sun Temple, Martand
Birla Temple, Gwalior
Sun Temple, Unao
Sun Temple, Ranchi
Sun Temple, Katarmal
Surya Pahar Temple, Assam
Surya Narayana Temple, Domlu
Sun Temple, Gaya
Suryanar...