bengaluru lifter sanjita chanus hopes of seeking a clean chit in a positive dope test has hit a dead end with the international weightlifting federation iwf citing administrative error resulting in mismatch of sample numbersalso read sanjita chanu fails dope testthe iwf was replying to a clarification sought by the national antidoping agency nada and admitted its clerical error but stressed that chanus sample had tested positive for a banned substance nada and chanu were seeking a reply from the world body following the intervention of the prime ministers office and union sports ministryin response to nadas email the iwf has clarified that sample code 1599176 in the first place it was 1599000 in the notification is due to an administrative mistake and the same has been communicated to both the athlete and the weightlifting federation of india nada said in its reply to the ministrys querythe nada letter a copy of which toi has accessed further said thus sanjita chanu needs to explain before the iwf hearing panel regarding the antidoping rule violationmeanwhile chanu a gold medal winner in the gold coast commonwealth games was not satisfied with the world bodys response and shot off a letter to eva nyirfa legal counsel at iwf asking the world body to elaborate on their mistake in one of your replies to iwfs inquiry into double sample numbers you are found mentioning that the second reference to another sample code in the notification letter is due an administrative mistake madam could you please elaborate on the term administrative mistake how come such a highly responsible federation make such a grievous mistake on such a highly important document chanu asked i wish an inquiry to be instituted to understand the reason behind this unpardonable mistake the letter was sent on june 25 but even after a month the weightlifter is yet to get any response personally from iwfaccording to iwf chanus sample code no 1599000 was collected on november 18 2017 at las vegas by the us antidoping agency during an out of competition test the lab results which found the sample positive were reported on december 20 and usada forwarded a copy to chanus email with a copy to iwf and world antidoping agency wada the nada letter said