The amateur standout, who won bronze at the Beijing Olympics in 2008, was too good for Hope over the distance and came out with a 100-90, 98-92 (twice) triumph.
Singh, 30, picked up a fringe version of the World Boxing Organisation super-middleweight title in taking his record to 7-0 and is in the mix for some massive fights in the coming twelve months.
Over in Germany, flyweight Charlie Edwards warmed up for his world title challenge against John Reil Casimero, coming out on top over six rounds against Jose Aguilar.
Edwards, who is now 8-0, is gearing up for the fight of his life against Casimero for the IBF crown on the Gennady Golovkin v Kell Brook undercard.
Also on the Berlin card, Anthony Ogogo firmly pushed a mass of injury problems behind him with a third victory in less than two months.
The UK middleweight star has been calling out big names in recent weeks but is still in the process of building some momentum for the future.
Bronislav Kubin was easily brushed aside with minimal fuss inside two rounds as Ogogo notched a seventh stoppage in eleven wins.