Prime Minister Sheikh Hasina on Monday released a special commemorative postage stamp, an opening day cover and a data card marking 70 years of Amar Ekushey and Golden Jubilee of observing Amar Ekushey in the independent Bangladesh. She unveiled the Tk 10 commemorative postage stamp, a Tk 10 opening day cover and a Tk 5 data card at a ceremony at her official residence Ganobhaban. Read: PM urges simplifying scientific terms in Bengali for students’ benefit