Indian citizen getting married to foreign spouse, applying for indian citizenship?

No. What you have described is EXACTLY what is the standard process. A US citizen marries a foreign born spouse, typically this usually takes place outside the USA, then applies for a CR-1 spouse visa to bring the spouse to the USA.

For details see "How to Apply for CR1 Spouse Visa" https://youtu.be/FdmmEZu80rQ.

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