25 November 2009
No, it's not possible. Whatever rates presc. in Income tax Act are fixed rates & not the minimum or maximum depreciation rates. Further, deduction of depreciation from Income is available even if assessee has claimed or not such deduction. Therefore, you need to claim total depreciation of rs. 102000.
26 November 2009
No., It is not possible. Sec 32 is automatic. even if you did not claim depreciation the AO has to allow it while computing total income from business.