It'can be planter fascitis.Visit physiotherapy center take treatment ULTRA SOUND. Learn exercise like calf stretching some proprioception exercise. Observe your posture during standing give equall body weight in foot.If you are doing any running jumping or treadmill exercise or any sports activity than stop it now.
Next Steps
Visit physiotherapy center.
Health Tips
Avoid bare foot walking.Use soft heel sleeper or mcr sleeper. Do contrast bath deep foot in warm water for 3mins n than cold water for 1 min repeat same procedure 5-6 times 2 times in a day. Any query than u can revert back to me.