New Delhi [India], January 23 (ANI): Congress MP Deepender Singh Hooda on Monday said that he will file a defamation case against the Wrestling Federation of India (WFI) President and BJP MP Brij Bhushan Sharan Singh after the latter claimed that the allegation of sexual harassment against him by wrestlers was made at the behest of the former Haryana CM Bhupinder Singh Hooda, and his son and Rajya Sabha MP Deepender Singh