उपवर्ग मतलब [सं-पु.] - किसी वर्ग के अंतर्गत किया गया छोटा वर्ग; गौण वर्ग। Also see Upvarg in English.
Here is meaning of Upvarg in hindi. Get definition and hindi meaning of Upvarg. What is Hindi definition and meaning of Upvarg ? (hindi matlab - arth kya hai?).