It is remarkable that none of these early Arab travellers speak about any Indian converts to Islam. The Merchant Sulaiman explicitly states: "In his … - Ram Gopal

Kalidasa, the immortal poet and playwright, is a peerless genius whose works have won world-wide fame. The matchless qualities of his work have been lavishly praised both by the ancient Indian critics and modern scholars. (...) In modern times the translations of Kalidasa's works in numerous Indian and foreign languages have spread his fame all over the world and now he ranks among the few topmost poets and playwrights of the world.

Exclusive dependence on Persian and Arabic sources, for an account of Muslim invasions, is apt to produce an unbalanced view. The basic prejudices of the Muslim historians, who mostly belonged to the Ulema class, against other religions, make them reject any other account, however authentic, if it tends to subvert their basic belief in the might of Islam. The victories of the arms of Islam have been elaborately described while the reverses have either been conveniently omitted or painted as having ended in negotiations and tribute. Even when described, only minor details are made available. ( p.64.)

The Musalman invasion of the Brahmaputra valley was repeated on several occasions during the next five centuries of Muslim rule over north India, but most of these expeditions ended in disaster and Islam failed to make any inroads into the valley.