What does Lakshya mean?
From the Sanskrit लक्ष्य (lakṣya), 'that which is to be aimed at, a mark, target, goal, objective'. A well-attested classical word, from the root lakṣ ('to aim, perceive').
What does Nirav mean?
From the Sanskrit निरव (nirava), 'soundless, still', formed from nir- ('without') + rava ('sound, noise') — hence tranquil stillness. A genuine, if less common, classical formation.