• to the best of his knowledge

उसकी:    hers HIS her

सर्वोत्तम:    topper cream queen pre-eminent best top-hole

जानकारी:    acquaintance report poop instruction idea gen

के:    K beyond between disentitle except from OF

के अनुसार:    asper concerning according as per according to

अनुसार:    accordance compliance conformity after to apropos