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I am a native Indian.

I am a native of India.

Though I am a citizen of America, I am a native Indian.

Though I am a citizen of America, I am a native of India.

Because of evolution, our native customs and traditions has changed.

We should dissipate/dispel all the people, who is not a native population of India.

We should dispel all the people who is not a native inhabitants/residents of India.

Please correct my sentences.
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My try:

I am a native Indian. OK

I am a native of India. OK

Though I am a citizen of America, I am a native Indian. OK

Though I am a citizen of America, I am a native of India. OK

Because of evolution, our native customs and traditions has have changed.

We should dissipate/dispel all the people who is are not a native population of India.

We should dispel all the people who is are not a native inhabitants/residents of India.

I cannot grasp what you wanted to say by 'dispel' people, though.
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Thank you friend.

I wanted to say "throw the people out of India, who are not native population of India".
Hm, I may be wrong since I'm not a native, but banish or exilewould fit it better in my opinion. Emotion: smile