Unfortunately Jet airways does not credit miles on low bookings classes on any partners

the current table for Etihad can be seen at
http://http://www.etihadguest.com/en...e/jet-airways/

This means that low fare flights only get credit on JP. So best use is still 9W flights on 9W and use for domestic redemptions. Or if you flying Business class or First class then look at crediting to a partner.

For quick reference
It is as shown below for EY guest credit on 9W flights:


CABIN CLASS BOOKING CLASS MILES EARNED
First F, A 200% of actual Miles Flown
Business C, J, Z, I , P 150% of actual Miles Flown
Economy Y, M, T , U 100% of actual Miles Flown
Economy N, L 75% of actual Miles Flown
Economy Q, S 50% of actual Miles Flown