5. Construction of CPI Item Base Year Qty 2000-01 Base Yr Prices P*Q Weights Current yr prices (2008-09 Price relative Rice 10 kg Rs. 10/kg 100 .143 Rs. 15/kg 150 Cloth 100 yards Rs.20/yard 200 .286 Rs.22/yard 110 House 2 room Rs.200/ room 400 .571 Rs.250/room 125