This is a widespread problem with Indians and generally foreigners on the Internet.
People: learn to write like a real person, or shut up. Please, just shut up until you've read enough that your comments resemble those from a native speaker. It worked for me.
We're not Japanese. The Latin alphabet is not for decoration.
Capitalize proper names. DON'T SCREAM. One question/exclamation mark is plenty. Use emphasis sparingly.
In general, when in doubt, don't.