49. The Corporation may, in the prescribed manner,- (a) establish and maintain a Provident Fund and require any of its officers or other employees to contribute to such Fund and may itself contribute to it in such manner and proportion as may be prescribed; (b) provide for the payment of ²[* * *] gratuity to its officers and other employees after retirement; (c) grant a special ³[* * *] gratuity to the family of any of its officers or other employees who dies of disease or injury contracted or suffered in the discharge of his duties; (d) operate scheme of social insurance for its officers and other employees and require them to subscribe to it; (e) establish and maintain a Benevolent Fund out of which shall be paid such relief as may be prescribed.