1 Claims against the Company not acknowledged as debts Rs 467.82 Lakhs
 (Previous Year: Rs 686.62 Lakhs).
 
 2 Estimated amount of contracts remaining to be executed on capital
 account and not provided for Rs 1.34 crores (Previous Year: Rs 1.34
 crores).
 
 3 In accordance with Accounting Standard-29, the following are
 considered as Contingent Liabilities and Provisions:
 
 a Sales Tax, Service Tax, Customs, Wealth Tax and Income Tax demands
 together with penalties under appeal amounts to Rs 4868.12 Lakhs
 (Previous Year: Rs 2,373.10 Lakhs.)
 
 b Guarantees given by the Company against loans availed by the
 subsidiary companies for the purpose of executing the projects which
 are under construction are Rs 47509.00 Lakhs (Previous Year: Rs 6214.00
 Lakhs).
 
 c Guarantees given by bankers for Performance of Contracts & others Rs
 3925.63 Lakhs (Previous Year: Rs 3878.46 Lakhs).
 
 4 Sundry Debtors, Loans and Advances and Deposits include certain
 overdue and unconfirmed balances. Some of the accounts are under
 reconciliation. These include:
 
 a Retention money retained as per terms of contract Rs 7069.22 Lakhs
 (Previous Year: Rs 6,998.92 Lakhs).
 
 b Rs 2338.68 Lakhs (Previous year: Rs 2,338.68 Lakhs) is due from ONGC,
 has been referred to an Outside Expert committee formed for the purpose
 of resolving the pending issues.
 
 c With regard to IMFL division which has been sold during the year
 2001-02:
 
 i Rs 172.44 Lakhs (Previous Year: Rs 172.44 Lakhs) receivable from
 Sales Tax authorities on Sales Tax remitted both by the Company and its
 customer relating to the sales made in earlier years. A writ has been
 fi led before the Honble High Court of Madras for recovering the
 amount remitted in excess.
 
 5 Deposit with Bank in pursuance of Rule 3A of the Companies
 (Acceptance of Deposit) Rules, 1975 include Rs 52.61 Lakhs (Previous
 Year: Rs 46.09 Lakhs) under fixed deposits with banks.
 
 6 Balance with the Central Excise Authorities includes unutilised
 Cenvat Credits of Rs 25.32 Lakhs (Previous Year: Rs 116.70 Lakhs).
 
 7 The provision for Taxation includes Rs 1.00 Lakh (Previous Year: Rs
 1.00 Lakh) towards Wealth tax.
 
 8 Letters of confi rmation of balances in personal account of
 suppliers, debtors and principals, loans and advances and in-operative
 bank accounts have been called for and wherever not received is being
 followed up.
 
 9 Sundry Creditors include Rs Nil (Previous Year: Rs Nil Lakh) due to
 small scale industrial undertakings to the extent such parties have
 been identified by the Management and relied upon by the auditors. The
 Company has normally made payments to Small Scale Industrial units in
 due time and also there being no claim from the parties, interest, if
 any, on overdue payments is unascertainable and thus not provided for.
 
 10 Micro, Small and Medium Enterprises Development Act, 2006
 
 The management is currently in the process of identifying enterprises
 which have provided goods and services to the company and which qualify
 under the definition of medium and small enterprises, as defi ned under
 Micro, Small and Medium Enterprises Development Act, 2006. Accordingly,
 the disclosure in respect of the amounts payable to such medium and
 small enterprises as at 31 March 2010 has not been made in the
 financial statements. However, the management is of the view that the
 impact of interest, if any, that may be payable in accordance with the
 provisions of the Act is not expected to be material.
 
 The Company has obtained exemption for its Provident Fund under Section
 17 of the Employees Provident Fund and Miscellaneous Provisions Act,
 1952.
 
 Defined Benefit Plan:
 
 Employees Gratuity fund scheme managed by the Life Insurance
 Corporation of India is a defined benefi t plan. The present value of
 obligation is determined based on actuarial valuation using Projected
 Unit Credit Method, which recognises each period of service giving rise
 to additional unit of employee entitlement and measures each unit
 separately to build up the final obligation. The obligation for leave
 encashment is recognised in the same manner as gratuity.
 
 As per the transitional provisions specified in the Standard, the
 difference in the liability as per the existing policy followed by the
 Company and that arising on adoption of this standard is required to be
 charged to opening reserves and surplus account. However, there is no
 significant impact on adoption of the Standard which is required to be
 adjusted to the opening balance of reserves and surplus.
 
 11 Foreign Currency Convertible Bonds:
 
 The company had raised USD 75 million during the year 2006-07 by way of
 issue of Foreign Currency Convertible Bonds, and the amount so raised
 have been used towards capital expenditure and investments in foreign
 subsidiaries, the balance unutilized is Rs Nil Lakh. (Rs 2705.04
 Lakhs). During the FY 2009-10, the company had bought back 38250 Nos.
 of FCCBs of face value USD 38.25 million out of the total issued FCCBs
 
 12 Previous years fi gures have been regrouped and rearranged wherever
 necessary.