[Ajay Rathaur]

If you are looking for 4-port industrial poe switch for cctv surveillance and other projects in india. You can blindly go with the Comxus CX-NPA-4gs2i-l2. this is an industrial ethernet switch. which gives a poe budget of 60w along with the compact design. So you can easily place it anywhere in the junction box using din rail mount.
Not only this, comxus is a make in india brand. it gets approved easily on indian government projects.

https://comxus.com/product/4-port-managed-industrial-grade-poe-switch-with-2-giga-uplink-sfp

comxus.com

4 Port Managed Industrial-Grade PoE Switch With 2 SFP | Comxus

Rugged 4 Port Managed Industrial-Grade PoE Switch with 2 Giga Uplink SFP​. Compact design, Layer 2+ features & reliable performance for harsh industries.