Today I have received email from IndiGo Partner Promotion

Free flights aboard IndiGo, a luxurious stay at the Taj. Apply Now.

Limited Period Offer - special joining fee of Rs.3,500 +Taxes

IndiGo vouchers of up to Rs.20,000* on your regular spending

Luxury stay at the Taj Group anywhere in India worth Rs.10,000

No hassles of blackout dates on your travel


All this backed by the renowned American Express Platinum Service


Hurry! Apply before
November 30, 2012 and make the
most of this opportunity.

When I try to submit application using the link provided by Indigo still I can see fee is Rs. 5000+Tax.

If it will be taken care throgh URL tracking then good.