1968, Proof coins (5), 50,20,5,3 & 1 Paisa, Mumbai Mint obv Ashoka pedestal legend in English & Devanagari rev denomination in numeric ,word & date . Environmental corrosion on all coins except Paisa 20 toned proof & 50 paisa slabbed & graded by NGC rest 2 coins in I.G.mint envelop & 2 in H.M.Mints envelope. With I.G.Mints outer envelop (torned), not reported in any major references. Extremely rare. 5 coins.