According to an Ada Derana article dated 7 January 2020, the Central Bank of Sri Lanka plans to introduce a new 20-rupee coin and a new 2,000-rupee note (current B120a shown above) in 2020 to commemorate its 70th anniversary. Additionally, security features of the existing banknote series will be enhanced.
According to an article in The Daily Star dated 15 December 2019, Bangladesh Bank plans to introduce a new 200-taka note commemorating the birth of the Father of the Nation, Bangabandhu Sheikh Mujibur Rahman. The new note is scheduled for introduction on 17 March 2020. Courtesy of Aidan Work.