By showing Vistara boarding pass to get the Flat 30% discount on 60 min or 90 min spa therapy at Tattva spa. vistara voucher coupon is not required to avail this special offer. This offer is applicable only by showing Vistara boarding pass at the spa. Appointment to be booked 24 Hours in advance. The offer is valid from Monday to Sunday Between 10 AM- 4 PM only. Hurry!! Book now get the offer.