The powers of RBI for effective resolution of regulated entities from this perspective need enhancement. Mergers Voluntary mergers and transfers help consolidation in financial sector and pave the way for stronger financial institutions to rescue the weaker ones. Such voluntary measures, while saving the constituents of weaker institutions, provide business opportunity to the stronger ones to spread their presence in different geographies.
Germany’s largest promotional bank, KfW, is the country’s number one issuer of green bonds with an issuance volume of € 28 billion. On a side note: Green promissory notes, also known as “Schuldschein”, are quite a niche product due to their characteristics, but might be an alternative worth considering for 1/3  BIS central bankers' speeches  communities and bigger cities.