I have a sativa strain where the main stalk split in to two different stems so i have 4 tops is this normal in a sativa strain..?
Depends on the specific strain. I've heard of strains out there that do this "naturally" but they have been bred for it so... But the short answer is yes if you didn't top, FIM, or damage the new growth in any way it is most likely genetic. 4 tops and no having to mess with the plants? Sounds like you're one lucky grower haha