What is the hindi name of Petromax?

There is no specific Hindi name for "Petromax" as it is a brand name originating from Germany. In Hindi, it would be simply transliterated as "पेट्रोमैक्स" (Petromax).

However, depending on the context, it might be referred to as:

* "पेट्रोल लैंप" (Petrol lamp): This is a general term for a kerosene-based lamp.

* "हैंडी लैंप" (Handy lamp): A more informal term for a portable lamp.

* "कैंपिंग लैंप" (Camping lamp): This refers to a lamp specifically used for camping.

Ultimately, the specific Hindi term would depend on the situation and the speaker's familiarity with the Petromax brand.