The word doping is derived the dutch word dop . this word was the name of an alcoholic beverage that is made of grape skin. DOPING is defined as use of a drugs or blood product to improve sport performance.TYPES  OF DOPING R :- 
(a) BLOOD DOPING:- blood doping may or may not involve a drug it is  the process of artificially increased the concentration of red blood cells .
(B) ADMINISTRATION OF DRUGS :- it is use to enhance the performance
(c) GENE DOPING:- it is began in 2001