A composition match, not medical advice.
Benzotop 2.5% Gel contains Benzoyl Peroxide 2.5% w/w, as a gel. It is made by Leeford Healthcare Ltd.
No, it is sold over the counter. Ask a doctor or pharmacist if you are unsure whether it suits you.
Yes. Benzoyl Peroxide Gel IP 2.5% w/w is a Jan Aushadhi medicine with the same salt, the same strength and the same form. On JanAushadhiOnline it costs ₹20.63 for 20 gms (₹1.0 / gm), against ₹8.3 / gm for Benzotop 2.5% Gel at its printed MRP — 87% less per gm. Ask your doctor before changing a brand.