Article 298 of Constitution of India "Power to carry on trade, etc"
The executive power of the Union and of each State shall
extend to the carrying on of any trade or business and to
the acquisition, holding and disposal of property and the
making of contracts for any purpose:
Provided that -(a) the said executive power of the Union shall, in so far as such trade or business or such purpose is not one with respect to which Parliament may make laws, be subject in each State to legislation by the State; and
(b) the said executive power of each State shall, in so far as such trade or business or such purpose is not one with respect to which the State Legislature may make laws, be subject to legislation by Parliament.
Article 299 of Constitution of India "Contracts"
(1) All contracts made in the exercise of the executive power of the Union or of a State shall be expressed to be made by the President, or by the Governor of the State, as the case may be, and all such contracts and all assurances of property made in the exercise of that power shall be executed on behalf of the President or the Governor by such persons and in such manner as he may direct or authorise.
(2) Neither the President nor the Governor shall be personally liable in respect of any contract or assurance made or executed for the purposes of this Constitution, or for the purposes of any enactment relating to the Government of India heretofore in force, nor shall any person making or executing any such contract or assurance on behalf of any of them be personally liable in respect thereof.
Article 300 of Constitution of India "Suits and proceedings"
(1) The Governor of India may sue or be sued by the name
of the Union and the Government of a State may sue or be
sued by the name of the State and may, subject to any
provisions which may be made by Act of Parliament or of the
Legislature of such State enacted by virtue of powers
conferred by this Constitution, sue or be sued in relation
to their respective affairs in the like cases as the
Dominion of India and the corresponding Provinces or the
corresponding Indian States might have sued or been sued if
this Constitution had not been enacted.
(2) If at the commencement of this Constitution-
(a) any legal proceedings are pending to which the Dominion of India is a party, the Union of India shall be deemed to be substituted for the Dominion in those proceedings; and
(b) any legal proceedings are pending to which a Province or an Indian State is a party, the corresponding State shall be deemed to be substituted for the Province or the Indian State in those proceedings.
Article 300A of Constitution of India "Persons not to be deprived of property save by authority of law"
No person shall be deprived of his property save by authority of law
What is the Expenditure defrayable by the Union or a State out of its revenues? What are Custody, etc. of Consolidated Funds, Contingency Funds and moneys credited to the public accounts? Article 282 and 283 of Constitution of India, 1949
What is the method for Custody of suitors deposits and other moneys received by public servants an courts? What is the rule for Exemption of property of the Union from State taxation? Article 284 and 285 of Constitution of India, 1949
What are the Exemption from taxation by States in respect of water or electricity in certain cases? What is the Exemption of property and income of a State from Union taxation? Article 288 and 289 of Constitution of India, 1949
What is the Succession to property, assets, rights, liabilities and obligations in certain cases.- from the commencement of this Constitution? What is Succession to property, assets, rights, liabilities and obligations in other cases.- (1) As from the commencement of this Constitution? Article 294 and 295 of Constitution of India, 1949
What is the Property accruing by escheat or lapse or as bona vacantia? What is the meaning of Things of value within territorial waters or continental shelf and resources of the exclusive economic zone to vest in the Union? Article 296 and 297 of Constitution of India, 1949