@MHSN and @Dolby
I just checked the UWW website...and I think that in the results page there's a mistake, not just 2 people with the same name...
in the official entry list, in fact, the Indian guy in the -55kg is actually listed as Vijay Vijay, but the -60kg Indian wrestler is listed as Sachin Rana...
https://unitedworldwrestling.org/article/three-reigning-greco-roman-junior-world-champions-registered-trnava2018
therefore I guess it was just a misunderstanting/mistake by the guys running the UWW site...