Hey Sidra
The cut off for admission in any of the NLUs last year closed at a rank of around 1600. As this is the first time IPU would accept admission based on CLAT scores there are no previous year trends to look up to for a fair estimate. But as there are around 1900 seats offered by IPU in total and 85% if which are reserved for Delhi Candidates so only around 300 seats would be left for All India students. Hence you can expect the cut off for outside Delhi category to be high and close maximum around 3000 rank but won't go as low as around 12000. Considering which your chances do not seem much.
This is only an estimate and the actual cut off may vary according to factors like the number of Delhi domiciled candidates ranked above you etc.
There are various private colleges accepting CLAT scores for admission that you can consider instead.
Best of luck

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