Discrimination on age is illegal in most countries. But Indian codified laws only only cover religion, race, caste, s-x or place of birth. Age is not included. So, there's no statuatory protection, so only common laws can be used.
Yet, DXC ethics is supposed to ensure there is no discrimination on age, gender, marital status, s-xual orientation, race, disability, religion or belief, union mebership, working pattern (fixed/part-time) in countries where they do business.
Funny how DXC don't follow their own ehtics policies, isn't it?
Of course trying to prove this would mean getting hold of some evidence, which managers are told ot to share with employees. Any written evidence, emails or your right to demand to see the criteria by which your judgement has been made, together with copies of company policies on termination and ethics - signed by a CEO and seek protection under common law.
Even in India, civil remedies can include reinstatement - although who'd want to go back to a company that demonstates poor ethical behaviour?
OP of this post is @XmwoD1H-1wpn