Watch popular actress Rakul Preet Singh doing gym exercise under the guidance of a trainer. The actress is seen attending stud training classes, which is not easy. The stud training is a set of high-intensity exercises without the use of machines. According to the reports, the stud training makes it special is that it gives instant results without torturous diet plans and supplements. On cinema front, the actress is busy in the NTR biopic Kathanayakudu, where she will be portraying the role of late screen legend Sridevi.