Economic affairs secretary Shaktikanta Das just announced that banknotes of all denominations (₹10, ₹20, ₹50, ₹100 and ₹1000, along with recently introduced ₹500 and ₹2000) with improved features, design and dimensions will be introduced soon. Apart from old ₹500 and ₹1000, banknotes of all other denominations will continue to remain legal tender.
I'm not sure if ₹1 and ₹5 banknotes are also getting redesigned.
Aditya