Four more Indian Athletes including 2 swimmers have failed the dope test. The include top women swimmers Richa Mishra and Jyotsana Pansare, shot putter Saurabh Vij and discus thrower Aakash Antil.According to National Anti-Doping Agency NADA, they failed their 'B' sample tests with all of them tested positive for the banned methylhexaneamine. The Agency quotes NADA Director General Rahul Bhatnagar as saying that the players are being served a second notice to face NADA disciplinary panel and an early date is being sought. The panel will decide on the punishment.Today's dope results came two days after the six wrestlers tested positive for the same drug methylhexanamine, which was added as a banned substance only this year by World Anti-Doping Agency.