Hindi Diwas was observed across India with leaders emphasizing Hindi's role as a unifying factor and the need to enrich all Indian languages. Events were held in India and abroad to promote the language.
The police on Wednesday arrested three Kamtapur Liberation Organisation ultras including the mastermind of the December 26 blast in Jalpaiguri that left six persons dead.
Banerjee has held five rallies in Kolkata in 11 days against the CAA.
One person has been arrested in connection with the Jalpaiguri bicycle bomb blast in which six persons were killed, a senior police officer said on Sunday.
'The CM seems to have forgotten that she is dealing with the Gorkhas, people known for their valour and loyalty to India.' 'It is shameful that Mamata Banerjee and her administration treated them like insurgents, choosing to use live bullets instead of other ways and means to control crowds.'