I was looking at ticket prices for BHX-BOM-BHX anytime during Feb/March and it appears that there is a huge difference in price between Emirates.com and that of travel agents. For example:

the cheapest i can find on
emirates.com: 403.40 GBP
ticketstoindia.co.uk: 332.30

Is there any particular reason for the big difference? Is it justifiable paying the extra to book on emirates website for some extras that i am not aware of?

P.S I am an emirates silver member.