 Complete the following sentence: RB Sreekumar, a 1971 batch Gujarat cadre IPS officer, has alleged that Murmu was deputed to tutor the witnesses who deposed before Nanavati Commission in 2004, saying it was done in order to give a clean chit to Narendra Modi, whose name came up during investigations into the Nanavati Commission in 2004, has alleged that Murmu was deputed to tutor the witnesses who deposed before Nanavati Commission in 2004, saying it was done in order to give a clean chit to Narendra Modi, whose name came up during investigations into the Nanavati Commission in 2004, saying it was done in order to give a clean chit to Narendra Modi, whose name came up during investigations into the : 2002 riots, awọn ẹsun wọnyi ri lati wa ni eke ati motive bi recoded nipa SIT ati Ishrat Jahan ipade ọran. Nigba awọn iwadii CBI ti ọdun 2013, Murmu ni wọn fi ẹsun kan pe o ti ni ipa lori awọn oṣiṣẹ ọlọpa ti n ṣe iwadii ipade Ishrat Jahan ati igbiyanju lati ṣe idiwọ iwadii naa. 