Exhibit 4.3
  THIS DEED
 the Covenantor
 Vedanta
 Volcan
 the
Parties
 WHEREAS:
 (A)
    
    On 5 December 2003 Vedanta, Volcan, Mr. Agarwal and the Volcan Shareholders entered
into a Relationship Agreement to regulate the relationship between Vedanta and the other
parties thereto and to ensure that Vedanta complies with the Listing Rules.(B)
    
    The Covenantor wishes to become a party to the Relationship Agreement and wishes to
amend the Relationship Agreement with the effect that the Covenantor becomes a party
thereto and as such assumes the rights and obligations of a Volcan Shareholder under the
Relationship Agreement.(C)
    
    Vedanta, Volcan, Mr. Agarwal and the Volcan Shareholders consent to the covenanters
becoming a party to the Relationship Agreement and assuming the rights and obligations of
a Volcan Shareholder under the Relationship Agreement.
 NOW THIS DEED WITNESSES
 Interpretation
 1.
    
    Words and expressions defined in the Relationship Agreement shall, unless the
context otherwise requires, have the same meanings when used in this Deed.
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Adherence
 2.
    
    The Covenantor hereby covenants to and undertakes with each of the Parties and with
each such other person who may from time to time expressly adhere to the Relationship
Agreement (by way of execution of a deed or by way of novation) to be bound by and comply
in all respects with the Relationship Agreement, and to assume the benefits of the
Relationship Agreement, as if the Covenantor had executed the Relationship Agreement and
was named as an original party thereto.
 Rights Several
 3.
    
    The Rights of Vedanta and the other Parties under this Deed shall be in all
respects several and the failure of any one or more of them to perform obligations under
the Relationship Agreement shall in no way affect the rights of the others under or in
connection with this Deed. It shall not be necessary for any Party to be joined as an
additional party in any proceedings to protect or enforce its rights and interests under
this Deed.
 Invalidity
 4.
    
    If any provision of this Deed becomes invalid, illegal or unenforceable in any
respect under any law, the validity, legality and enforceability of the remaining
provisions shall not in any way be affected or impaired.
 Contracts (Rights of Third Parties) Act 1999
 5.
    
    No person who is not a Party shall have the right to enforce any of its terms
pursuant to the Contracts (Rights of Third Parties) Act 1999.
 Agent for Service of Process
 6.
    
    The Covenantor shall at all times maintain an agent for service of process and any
other documents in proceedings in England or any other proceedings in connection with
this Deed. Such agent shall be John Kolada / David Glennie of Blake, Cassels & Graydon
LLP, 10 Lloyds Avenue, 7th Floor, London, EC3N 3AX United Kingdom and any
writ, judgment or other notice of legal process shall be sufficiently served on the
Covenantor if delivered to such agent at its address for the time being. The Covenantor,
irrevocably undertakes not to revoke the authority of the above agent and if, for any
reason, Vedanta requests the Covenantor to do so, the Covenantor shall promptly appoint
another such agent with an address in England and so advise Vedanta. If following such a
request, the Covenantor fails to appoint another agent, Vedanta shall be entitled to
appoint one on behalf of the Covenantor at the expense of the Covenantor.
 Notices
 7.
    
    For the purpose of the Relationship Agreement, The Covenantor address for notices
shall be as follows:
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Address:     Onclave PTC Limited, Loyalist Plaza, Don Mackay Boulevard, Marsh Harbour, Abaco, BahamasFax No.        +1 242 367 2568
 Addressed for the personal attention of:     Mr. Isaac Collie
 Counterparts
 8.
    
    This Deed may be executed in any number of counterparts, each of which when
executed and delivered shall be an original, but all of which when taken together shall
constitute a single document.
 Submission to Jurisdiction
 9.
    
    The Courts of England are to have non-exclusive jurisdiction to settle any disputes
which may arise in connection with this Deed.
 Governing Law
 10.
    
    This Deed shall be governed by and construed in accordance with English law.
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Executed as a Deedby ONCLAVE PTC LIMITED, TRUSTEE
OF ANIL AGARWAL DISCRETIONARY TRUST
acting by a Director and a Secretary
    )
)
)
)
    /s/ Ellison Issac
Collie/s/ Lawrence CollieExecuted as a Deed 
by VEDANTA RESOURCES PLC
acting by two Directors
    )
)
)
    /s/ Shailendra Kumar
Tamotia/s/ Kuldip Kumar KauraExecuted as a Deed 
by VOLCAN INVESTMENTS LIMITED
acting by two Directors
    )
)
)
    /s/ Ellison Issac
Collie/s/ (signed)Executed as a Deed 
by ANIL AGARWAL
    )
)
    /s/ Anil Agarwal
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