rectification

Preety Acharya (85 Points)

25 March 2018  
My PAN has allotted as trust and i had filled return under form 7. But i am not registered u/s 12A and sec. 10(23). I filled my status as AOP(trust). But didn't get slab benefit i.e. taxed @ 30%. How can i rectify my return? Please guide me.