Section 2 in The Coinage Act, 2011
In this Act, unless the context otherwise requires,--
(a) "coin" means any coin which is made of any metal or any other material stamped by the Government or any other authority empowered by the Government in this behalf and which is a legal tender including commemorative coin and Government of India one rupee note.
Explanation.--For the removal of doubts, it is hereby clarified that a "coin" does not include the credit card, debit card, postal order and e-money issued by any bank, post office or financial institution;
(b) "commemorative coin" means any coin stamped by the Government or any other authority empowered by the Government in this behalf to commemorate any specific occasion or event and expressed in Indian currency;
(c) "deface" means any type of clipping, filing, stamping, or such other alteration of the surface or shape of a coin as is readily distinguishable from the effects or reasonable wear;
(d) "Government" means the Central Government;
(e) "issue" means to put a coin into circulation for use as money;
(f) "metal" means any metal, base metal, alloy, gold, silver or any other material which may be prescribed by the Government for the purpose of any coin;
(g) "Mint" means the Security Printing and Minting Corporation of India Limited formed and incorporated under the Companies Act, 1956 (1 of 1956) or any other organisation established by or under the authority of the Government to make a coin by stamping metal;
(h) "notification" means notification published in the Official Gazette;
(i) "per cent." means the percentage of metals prescribed for any coin;
(j) "prescribed" means prescribed by rules made under this Act;
(k) "remedy" means variation from the standard weight and fineness;
(l) "standard weight" means the weight prescribed for any coin.
Title: Power to establish and abolish Mints
The Government may, by notification,--
(a) establish a Mint at any place which may be managed by it or by any other person, which may be authorised for this purpose:
Provided that the Mints established before the commencement of this Act shall be deemed to have been established by the Government under this section:
Provided further that where the Government is of the opinion that it is necessary or expedient in the public interest so to do, it may authorise the minting of coins by any organisation or Government of any foreign country, within or beyond the limits of India and acquire such coins either by way of import or otherwise for issue under its authority;
(b) abolish any Mint
Title: Denominations, dimensions, designs and composition of coins
Coins may be minted at the Mints or at any other place authorised under the proviso to section 3 of such denominations not higher than one thousand rupees and of such dimensions and designs and containing such metals or mixed metals of such composition or any other material as may be prescribed by the Government.
Title: Standard weight and remedy
The standard weight of the coin of any denomination, minted under the provisions of section 4, and the remedy allowed in making of such coins, shall be such as may be prescribed in this behalf by the Government from time to time.
Title: Coin when a legal tender
(1) The coins issued under the authority of section 4 shall be a legal tender in payment or on account, in case of—
(a) a coin of any denomination not lower than one rupee, for any sum not exceeding one thousand rupees;
(b) a half-rupee coin, for any sum not exceeding ten rupees;
(c) any other coin, for any sum not exceeding one rupee:
Provided that the coin has not been defaced and has not lost weight so as to be less than such weight as may be prescribed in its case.
(2) All new coins in the naya paisa series, designated as such under the notification of the Government of India in the Ministry of Finance, Department of Economic Affairs, Number S.R.O. 1120, dated the 11th May, 1956 issued prior to the commencement of the Indian Coinage (Amendment) Act, 1964 (17 of 1964), shall continue to be a legal tender in payment or on account, in case of,--
(a) a half-rupee or fifty naye paise coin, for any sum not exceeding ten rupees;
(b) any other coin, for any sum not exceeding one rupee.