This is one of the various configurations of fighter design being tested during the initial phase of the AMCA program. The design work just began then. It is possible the TEDBF uses design cues from previous simulations. Why blur the image its been out there for a while ? Here is another design. Almost looks like a F-16 this one :
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They should have experimented with dozens and dozens of designs. They only need to pick one for TEDBF.