why there is difference in data/prices

#1
I got this software from forum but the data it is downloading is different from the mcxindia website , could someone please clear this confusion.

software name - data downloader
,

20 feb 2010 data from software in a text file -

ALMOND-I,20100220,365.25,368.50,362.25,365.25,10,82
ALUMINIUM-I,20100220,96.75,97.40,96.75,97.25,128,2622
BARLEY-I,20100220,884.00,884.00,871.80,875.00,48,842
CARDAMOM-I,20100220,1106.90,1136.90,1106.40,1134.80,226,631
CHANADEL-I,20100220,2214.00,2214.00,2187.00,2204.00,33,181
COPPER-I,20100220,341.00,344.40,340.85,341.50,5488,24527
CPO-I,20100220,365.00,365.00,363.90,364.40,88,1435
FLAKEMENTH-I,20100220,673.00,674.00,673.00,673.50,2,29
GOLD-I,20100220,16824.00,16829.00,16807.00,16816.00,224 5,13833
GOLDGUINEA-I,20100220,13195.00,13225.00,13178.00,13188.00,165 7,8043
GOLDM-I,20100220,16770.00,16788.00,16760.00,16774.00,333 4,17208

GUARSEED-I,20100220,2380.00,2380.00,2307.00,2313.00,110,548
KAPAS-I,20100220,636.20,638.40,634.10,636.00,492,1273
LEAD-I,20100220,108.10,108.65,108.00,108.50,532,3535
MAIZE-I,20100220,898.00,899.00,877.50,884.00,380,447
MENTHAOIL-I,20100220,583.00,584.70,577.20,579.30,720,3503
NATURALGAS-I,20100220,233.30,234.80,231.60,233.30,745,6487
NICKEL-I,20100220,947.00,952.00,947.00,951.10,1528,8382
POTATO-I,20100220,586.00,595.70,584.10,585.60,273,1179
REFSOYOIL-I,20100220,458.00,459.15,451.05,457.25,277,807
SILVER-I,20100220,25465.00,25549.00,25465.00,25513.00,190 2,13658
SILVERM-I,20100220,25580.00,25625.00,25430.00,25515.00,333 8,16154
SOYABEAN-I,20100220,2029.00,2029.00,2029.00,2029.00,1,13
STEELGZB-I,20100220,23800.00,23800.00,23800.00,23800.00,1,6 9
WHEAT-I,20100220,1291.70,1332.00,1291.70,1314.90,9,38
ZINC-I,20100220,107.60,108.25,107.60,108.15,469,3367

and now this is the data from the mcxindia spotprice section for 20 feb 2010:-

GOLD10 GRMSAHMEDABAD 16820.00
GOLDGUINEA8GRMSAHMEDABAD 13456.00
GOLDHNI0 GRMSAHMEDABAD 16765.00


now why there is difference ??