748 OM maanadaaya namaH .
One who by His power of maayaa induces the sense of self in non-self.
Or one who has regard and beneficence toward devotees.
Or one who destroys in the knowing ones the sense of identification with the non-self.
932 OM ananta-ruupaaya namaH .
One who has innumerable forms, as He dwells in this all-comprehending universe.
728 OM kaaya namaH .
The syllable 'ka' indicates joy or happiness. So it means one who is hymned as constituted of joy.
Chhandogya Upanishad 4.10.5 says: brahmaaN is of the nature of joy.
Note- kaH is also a question. He Who is ever a question without an answer to human intellect – He who can be experienced only on transcending the intellect and not apprehended through intellect.