HRD (Human Resources Development) has been defined by various scholars in various ways. Some of the important definitions of HRD (Human Resources Development) are as follows:

• According to Leonard Nadler, “Human resource development is a series of organized activities, conducted within a specialized time and designed to produce behavioural changes.”
• In the words of Prof. T.V. Rao, “HRD is a process by which the employees of an organization are helped in a continuous and planned way to (i) acquire or sharpen capabilities required to perform various functions associated with their present or expected future roles; (ii) develop their journal capabilities as individual and discover and exploit their own inner potential for their own and /or organisational development purposes; (iii) develop an organisational culture in which superior-subordinate relationship, teamwork and collaboration among sub-units are strong and contribute to the professional well being, motivation and pride of employees.”.
• According to M.M. Khan, “Human resource development is the across of increasing knowledge, capabilities and positive work attitudes of all people working at all levels in a business undertaking.”