It appears that the Board of Directors of Indian Airlines had accordingly ap proved of the amendments to Regulation 13 and the amended Regulation reads as under: "(a) The services of an employee may be terminated without assigning any reasons to him/her and without any prior notice but only on the following grounds not amounting to misconduct under the Standing Orders, namely: (i) If he/she is, in the opinion of the Corporation (the Board of Directors of Indian Airlines) incompetent and unsuitable for continued employment with the Corporation and such incompetence and unsuitability is such as to make his/her continuance in employment detrimental to the inter est of the Corporation; OR If his/her continuance in employment constitutes, in the opinion of the Corporation (the Board of Directors of Indian Airlines), a grave security risk making his/her continuance in a service detrimental to the interests of the Corporat ion; OR if in the opinion of the Corporation (the Board of Directors of Indian Airlines) there is such a justifiable lack of confidence which, having regard to the nature of duties performed, would make it necessary in the interest of the Corporation, to immediately terminate his/her services.