During the year ended 31st March, 2012, the revised schedule VI
 notified under the Companies Act, 1956 has become applicable to the
 company, for preparation and presentation of its financial statement.
 The adoption of revised schedule VI does not impact recognition and
 measurement principles followed for preparation of financial statement.
 However it has significant impact on presentation and disclosures made
 in the financial statements.  Assets and liabilities have been
 classified as current and non - current as per the Company''s normal
 operating cycle and other criteria set out in the Revised Schedule VI
 of the Companies Act, 1956. Based on the nature of activity carried out
 by the company and the period between the procurement of materials and
 realisation in cash and cash equivalents, the Company has ascertained
 its operating cycle as 12 months for the purpose of current, non -
 current classification of assets & liabilities. The Company has also
 reclassified / regrouped the previous year figures in accordance with
 the requirements applicable in the current year.
 
 a) Basis of Accounting
 
 The Financial statements have been prepared to comply in all material
 aspects with all the applicable accounting principles in India, the
 applicable accounting standards notified under Section 211(3C) of the
 Companies Act, 1956 and the relevant provisions of the Companies Act,
 1956.
 
 b) Fixed Assets and Depreciation
 
 a) Fixed Assets are stated at their original cost (net of MODVAT where
 applicable) including freight, duties, customs and other incidental
 expenses relating to acquisition and installation. Interest and other
 finance charges paid on loans for the acquisition of fixed assets are
 apportioned to the cost of fixed assets till they are ready for use.
 
 b) Expenditure incurred during the period of construction is carried as
 capital work-in-progress and on completion the costs are allocated to
 the respective fixed assets.
 
 c) Foreign exchange fluctuation on payment / restatement of long term
 liabilities related to fixed assets are charged to profit and loss
 Account.
 
 d) Depreciation has been provided on straight-line method at the rates
 and in the manner specified under Schedule XIV of the Companies Act,
 1956, except for the following:
 
 i.  Computer hardware and software are being depreciated over a period
 of three years.
 
 ii.  The leasehold land is amortised over the lease period.
 
 iii. Buildings on leasehold land are amortised over the lease period or
 useful life of the building whichever is shorter.
 
 iv.  Technical know-how fee is amortised over a period of 6 years or
 period of agreement, whichever is shorter.
 
 v.  Tools and dies are depreciated over a period, upto eight years,
 determined based on technical evaluation.
 
 vi.  VSAT communication equipment is depreciated over a period of 5
 years.
 
 c) Investments
 
 Long term investments are stated at cost. Provision is made for any
 permanent diminution in the value of investments.
 
 Current investments are stated at cost or fair value, whichever is
 lower.
 
 d) Inventories
 
 Inventories are stated at lower of cost or net realizable value. Cost
 of inventories comprises of cost of purchase, cost of conversion and
 other cost incurred in bringing them to their respective location and
 condition. Cost of raw materials, stores and spares and packing
 materials are determined on weighted average basis.
 
 e) Capital Grants
 
 Grants received from the Government are retained as Capital Reserve
 until the conditions stipulated in the respective schemes are complied
 with. However, the grants related to specific assets are deducted from
 the gross value of such assets.
 
 f) Revenue and Expense Recognition
 
 Revenue from sale of goods is accounted for on dispatch of goods which
 represents transfer of significant risks and rewards to the customers.
 Sales are inclusive of excise duty and net of sales return and trade
 discounts.
 
 Expenses are accounted for on an accrual basis.
 
 g) Taxation
 
 Tax expense (credit) is the aggregate of current tax and deferred tax.
 
 a) Current Tax
 
 Provision for current income tax is made on the assessable income at
 the tax rate applicable to the relevant assessment year.
 
 b) Deferred Tax
 
 Deferred tax for timing differences between the book profits and tax
 profits is accounted for using the tax rates and laws that have been
 enacted or substantively enacted as of the Balance Sheet date.
 
 Deferred tax assets for tax losses and unabsorbed depreciation are
 recognized to the extent that the realisation of the related tax
 benefit through the future taxable profits is virtually certain.
 Deferred tax assets arising from other timing differences are
 recognised to the extent there is reasonable certainty that sufficient
 future taxable income will be available against which such deferred tax
 assets can be realised.
 
 h) Foreign Currency Transactions
 
 Foreign Currency transactions are recorded at the exchange rates
 prevailing on the date of such transactions.  Foreign currency monetary
 assets and liabilities as at the Balance Sheet date are translated at
 the rates of exchange prevailing on the Balance Sheet date. Gains and
 losses arising on account of differences in foreign exchange rates on
 settlement/ translation of foreign currency monetary assets and
 liabilities are recognised in the Profit and Loss Account. Non-monetary
 foreign currency items are carried at cost.
 
 The premium or discount arising at the inception of forward exchange
 contract to hedge an underlying asset or liability of the Company is
 amortised as expense or income over the life of the contract. Exchange
 differences on such contracts are recognised in the Profit and Loss
 Account in the reporting period in which the exchange rates change. Any
 profit or loss arising on cancellation or renewal of such forward
 exchange contracts is recognised as income or expense during the year.
 
 Pursuant to The Institute of Chartered Accountants of India''s
 announcement ''Accounting for Derivatives'', the Company marks-to-market
 all other derivative contracts (forward contracts in respect of firm
 commitments and highly probable forecast transactions, swaps and
 currency options) outstanding at the end of the year and the resultant
 mark-to-market losses, if any, are recognised in the Profit and Loss
 Account. Any profit or loss arising on settlement or cancellation of
 such derivative contracts is recognised as income or expense for the
 year.
 
 i) Research and Development
 
 Equipment purchased for research and development is capitalised when
 commissioned and included in the fixed assets. Revenue expenditure on
 research and development is charged in the period in which it is
 incurred.
 
 j) Retirement Benefits
 
 The Company has Defined Contribution plans for post employment
 benefits'' namely Provident Fund and Superannuation Fund. Contributions
 payable to Provident Fund and the Superannuation Fund maintained by the
 LIC are charged to the Profit and Loss Account.
 
 The Company has Defined Benefit plans, namely compensated absences and
 gratuity for employees, the liability for which is determined on the
 basis of actuarial valuation at the end of the year. The Gratuity Fund
 is recognised by the income tax authorities and is administered through
 trusts.
 
 Gains and losses arising out of actuarial valuations are recognised
 immediately in the Profit and Loss Account.  k) Borrowing Cost
 
 Borrowing Costs directly attributable to the acquisition, construction
 or production of qualifying assets are capitalised as part of the cost
 of the asset till the asset is ready for use. Interest on other
 borrowings is charged to Profit and Loss Account.
 
 l) Leases
 
 Lease arrangement where the risks and rewards incidental to the
 ownership of an asset substantially vest with the lessor are recognised
 as operating leases. Lease rent under operating leases are recognised
 in the Profit and Loss Account on straight line basis.
 
 Assets acquired under finance leases are recognised at the lower of the
 fair value of the leased assets at inception and the present value of
 minimum lease payments. Lease payments are apportioned between the
 finance charge and the reduction of the outstanding liability. The
 finance charge is allocated to periods during the lease term at a
 constant periodic rate of interest on the remaining balance of the
 liability.
 
 m) Warranty Provision
 
 The estimated liability for product warranties is recorded at the time
 of the sale of the products. The provision is based on management''s
 estimate of the future cost of corrective action on product failure
 established using historical information regarding frequency and
 average cost of servicing the warranty claims.
 
 n) Provisions and Contingencies
 
 The Company creates a provision when there is a present obligation as a
 result of past event that probably requires an outflow of resources and
 a reliable estimate can be made of the amount of obligation. A
 disclosure of contingent liability is made when there is a possible
 obligation or a present obligation that will probably not require
 outflow of resources or where a reliable estimate of the obligation
 cannot be made.
 
 o) Impairment
 
 The management periodically assesses, using external and internal
 sources, whether there is an indication that an asset may be impaired.
 If an asset is impaired, the company recognises an impairment loss as
 the excess of the carrying amount of the asset over the recoverable
 amount.