A composition match, not medical advice.
Surbex Nano 60000IU Spray 15ml contains Vitamin D3 (Cholecalciferol) 60000IU, as a oral solution. It is made by Abbott Healthcare Pvt. Ltd.
No, it is sold over the counter. Ask a doctor or pharmacist if you are unsure whether it suits you.
Yes. Vitamin D3 Oral Solution 60000 IU is a Jan Aushadhi medicine with the same salt, the same strength and the same form. On JanAushadhiOnline it costs ₹25.78 for 5 mls (₹5.2 / ml), against ₹22.0 / ml for Surbex Nano 60000IU Spray 15ml at its printed MRP — 76% less per ml. Ask your doctor before changing a brand.