Frienduggestions/Discussion Alternatively: Social / Community

JEE Doubt Discussion likely falls under the category: Education & Learning

Technology & Programming (Although related to "system", the chat is about motorscooter so the category closest to the overall topic is, Technology & Programming that covers the discussion about the sale of motorscoters and relevant accessories)

Crypto Mining Discussion

Based on the given title "Arkadasca Sohbet" which seems to translate to "Friendship Chat" or a social discussion, the most relevant category would be: Social & Community

Unfortunately, you didn't provide any categories, so I can't select a specific category, but I can tell you that 'Mega discussion group' seems to cover a wide range of topics.

Based on the given title "Tradelikesavvy Discussion group", I would categorize it under: Investing & Stock Market

After analyzing the title, I would categorize "GATE CSE(csit examination based discussion forum" as: Technology & Programming

HOA Discussion Homeowners' associations (Hoas) are not hinted towards by any CT categories; the resultant selected category is Other / Unclassified

Giriniz, anlamak zor! ( Translation: I didn't understand to come in) seems to be related to entering a conversation or discussion. Technology & Programming (Note: "SOHBET" means "come in" or "enter" in Turkish, often used in social conversations, which made me suspect it's related to online communication. But, if you can provide more context or details about SOHBET GIRISI, I might be able to help better!)

Uncle Odd's Discussion Group

Crypto Discussion and pumping falls under: Cryptocurrency & Trading