In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the given alternatives.
On 29 September 2017, SEBI allowed Sovereign wealth fund and other long term Foreign Portfolio Investors (FPIs) to buy corporate debt up to ______ in infrastructure sector.