Why does Cong manifesto ask for revival of Special Economic Zones in 2019?

Chidambaram has been praised by Rahul Gandhi as one of the key authors of the manifesto. It does seem he has decided to forget the lessons that nearly cost Congress the 2009 elections.

Since India does not have a face-off between leaders of major political parties about their manifesto promises, we can only debate how much of the promises contained in them are useful to swing voters. But if we assume that some of the manifesto promises do find their way into government policies, it is interesting to ask why has the Congress manifesto asked for a revival of Special Economic Zones in 2019, after it ceremoniously discarded the concept in 2009. SEZ policy until then was its biggest agenda to revive the manufacturing sector.

The manifesto released by INC President Rahul Gandhi on