None of the provided categories seem to be a specific and relevant fit for the entity "Dehradun". It is the capital and largest city of the Indian state of Uttarakhand, and is known for its natural beauty, educational institutions, and trekking trails, among other things. However, the most relevant category from the provided list that could be a loose fit is: Travel & Tourism

Other/Educational

Educational Technology, which would fall under Technology & Programming

Educational & Learning

Educational Products

Matematika isn't explicitly listed but falls under an educational topic category, I'd choose: Education & Learning

Given this, I'll have to categorize it to the most specific, relevant one; however, there appears to be a language barrier here. After some research and translation, I assume EKPSS is related to educational institutions (education authorities) or a teaching profession and ILKOGRETIM is related to primary education, and then it appears to be targeted at mathematics in 'Ogrencimlikki Girisim', or math teacher. Based on the translation, I think 'Science & Research' is the closest match with 'Education & Learning' being an available choice; however, a choice might not perfectly fit. The most specific category: Science & Research

Since this is not actually a Telegram entity, but rather instructions for categorization, I will assume the entity in question is a category that would fit under Telegram's broader subject topics. However, without a specific entity or more context, the most precise category cannot be determined directly. However, based on popular Telegram channel categories and given the context of how broad or specific categories usually influence the choice, I would suggest a category that generally aligns with technological and socio-communal aspects that align well with Telegram's popular usage, especially considering its initial and evolving usage towards sharing and discussion forums for groups and channels that often range from educational to information sharing and hobbyist groups. Therefore, based on this, I would suggest: **News & Politics**

Educational/Ethics/Environmental warning: Military & Survival

Educational Institutions

Educational programs and learning materials is not present in your list. To better fit your list the output would be: Technology & Programming

Politics/Education/Learning/Technology These categories might seem like a stretch, but they are the closest matches given the information, "Golden Game" might be a gaming or educational platform, and without more context, it is difficult to determine which category is the most accurate.