Born in Mumbai, Maharashtra, Sawhney started his career in the youth set-up of Mahindra United, for which he was a part of the under-15 and under-19 teams. He then moved on to the youth set-up of PIFA where his most memorable moment was when he scored against the Inter Milan Academy side in the 2009 Gauteng Future Champions tournament. After his time at PIFA, Sawhney joined the Tata Football Academy where he graduated in 2012.