According to Charaka, Kala Meha is considered a type of Pittaja Prameha. Prameha is a group of conditions characterized by abnormal urination, and Pittaja Prameha specifically relates to disorders caused by Pitta dosha imbalance.
- Vasa Meha refers to a type of Vata dosha imbalance leading to Prameha.
- Shukra Meha refers to an issue related to reproductive fluids, not specifically associated with Pitta.
- Ikshu Meha is related to sugar
-like urination, not a direct type of Pittaja.
Thus, the correct answer is (3) Kala Meha, which is classified as a type of Pittaja Prameha.