Not sure how we are saying same thing !
This is what
@Prabhat Singh said
"
No bro, if you book for 18-20, then they will make you checkout on 20th. You may call the hotel and confirm the same from them also for more clarity.
"
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Anywaz, i was sharing my experience, better to check with hotel in case of questions....for me it was straightforward and i shared my experience for the benefit of people who are yet to travelled to avoid over cost. The hotel and government would like you to spend more money than desired so choose your battles wisely. Cheers !