Always capitalize the following:
The first letter of nationalities, religions, races of people, and languages. (राष्ट्रीयताओं, धर्मों, जाति और भाषाओं का पहला अक्षर)
E.g. We often eat Italian food.
I like to learn many languages especially French.
We work for a Japanese company.
Geographic areas: cities, states, countries, mountains, oceans, rivers, etc. (भौगोलिक क्षेत्र: शहर, राज्य, देश, पहाड़, महासागर, नदियाँ आदि)
E.g. My destination is Paris.
We visited the Victoria Memorial in Kolkata.
They went near the Arctic ocean.
The first letter in a person’s title. (किसी व्यक्ति के शीर्षक में पहला अक्षर।)
E.g. I went to see Mr. Sinha.
Your class teacher, Miss Sharma, called us for a meeting.
Historical periods (ऐतिहासिक काल)
E.g. The Renaissance began in the 14th century.
We watched a movie about World War II.
The first letter of each major word in the title of a book, movie, article, etc. (पुस्तक, फिल्म, लेख आदि के शीर्षक में प्रत्येक प्रमुख शब्द का पहला अक्षर)
E.g. Shakespeare's Macbeth is my favorite novel.
I like to watch Titanic movie.