For an accurate diagnosis, a detailed assessment with clinical examination and proper history followed by appropriate investigations is needed.
In your case, It looks most likely to be plantar fascitis.
Next Steps
Visit nearest orthopedic surgeon or consult me online.
Health Tips
Foot Muscle-strengthening exercises, Calf Muscle stretching exercises. Deep heat Therapy-SWD, Infrared, Local USG
• Footwear Modification-Medial arch support with silicone heel cup
• Watch for increased Pain/Swelling/Stiffness/Redness/Fever. If present, visit the nearest hospital immediately.