Delhi's regional party

It is hard to see how the AAP could easily spread outside Delhi

The results of the Delhi election are, on some level, stunning. The original Aam Aadmi Party (AAP) sweep five years ago was extraordinary — winning 67 of 70 seats was surely beyond what anyone had imagined — but that it would nearly repeat that feat five years later is remarkable. Some might argue that this suggests that the Indian voter is no longer reflexively anti-incumbent, which was long the assumption about how re-election campaigns would turn out. The fact that the prime minister was also returned to office in 2019 with an increased majority would tend to support this argument. 

But