Under Companies Act assets costing upto Rs. 5,000 may charged to profit & loss A/c in the first year
If it exceeds Rs. 5,000 then It should be capitalised under Plant & Machinery - General @ 13.91% (WDV)
Whereas no such facility is available under Income Tax Act - i:e It has o be capitalised - Head "Plan & Machinery - General" @ 15%
Needless to say Cost shall also include cost of "First Recharge Voucher, First Insurance, etc", being an expenditure necessary for making the asset ready for use.