He's a celebrity/athlete so of course he's going to have to take some steamy photoshoots and stuff - thats practically expected.
And yeah I know the one you're talking about (he's basically nude except for some strategic placement of hiding his privates) but that one is for PETA and they make EVERY celebrity do that for their ads. Every single celebrity that has been in a photo ad for PETA has been shot in the nude (except, again, the strategic parts).
Just google it; Sangram's not the only one.
AND LMAOO yooo son, in the gaun you have kids running around naked so...