Chandigarh: Insisting on the restoration of the Old Pension Scheme of 2003 in place of NPS (New/National Pension Scheme), the Aam Aadmi Party has accused the ruling Congress party of stabbing, the millions of pension holders/current employees, in the backs. Referring to the continues protest against New Pension Scheme and crores of arrear amount that Punjab government and Finance Minister Manpreet Singh Badal are absconding from, AAP said that Punjab government is sitting like a snake on the earning of pensioners.