Alok Mittal, Inspector General (IG) of the National Investigative Agency (NIA), said, the high quality Fake Indian Currency Notes (FICN) have returned to the Indian market, reports latesly.com. The NIA chief also said that Pakistan was the main source of printing FICN. NIA has so far investigated 48 such cases, of which 13 ended in conviction. While Pakistan is the main source of high-quality FICN, Bangladesh had emerged as the source of low-quality FICNs, Mittal said. The IG added that the high-quality notes were being pushed through the "western border and Nepal".