1. Revert back: The word 'revert' means to return, go back, change back. We do not need to add 'back' again after it.
2. Cousin brother/ Cousin sister: Just saying 'cousin' is enough, and correct. We do not need to add brother/ sister after 'cousin'. For example: He is my cousin.
3. Real brother/ Real sister: If you have the same parents, then refer to your siblings as 'brother/ sister/ sibling'. For sons and daughters of uncles or aunts, call them 'cousin'.
4. Fast friend: This is incorrect English. If someone is your very close friend, you can refer to that person as 'a close friend'.
5. Prepone: 'Prepone' is not a valid English word. Although, it is used so often that most Indians will understand it.
6. More better: 'Better' is already the comparative form of 'good'. We do not need to add 'more' before it. Good - > better - > best.
7. Introducing oneself using 'Myself': 'Myself Amit' is incorrect English. Use: 'I am Amit' or 'My name is Amit'.
8. Forming plurals: The plural of 'child' is 'children'. The words 'childs' and 'childrens' are incorrect. Similarly, 'informations' is incorrect, just say 'information'.
Words like 'Sister in law' become 'Sisters in law' in the plural form, not 'sister in laws'.
9. Pass out: If you want to say that you finished school or college, use the word 'graduated' or 'completed my degree'. 'To pass out' = to be unconscious or drunk. 'I passed out of college' is incorrect English.
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