Gunashekar cheated 'Varudu' Producer?

Allu Arjun Birthday gift film Varudu is released with huge graphics in it. Gunashekar is the director and Danayya is producer of the film. As said earlier by sources the film is done with a huge budget of 30 Crore rupees. Latest Buzz is that actual budget is just 26 Crores then what happen for the difference 4 crores? Taken by Director Gunashekar it seems. Not knowing much about graphics the producer given as Guna asked and Director taking it as advantage filled his Pocket. Usually Gunashekar charges Rs.3crore for film but with this film an additional amount Secured.