Former CEA Arvind Subramanian surprised at Indian stock market trends despite financial problems

Usually when there is an economic recession, the stock indices will fall. However, in 2019, the indian stock market is reaching an all time high, though growth is at the lowest level in seven years
The newspapers reported that Former CEA Arvind Subramanian was surprised at Indian stock market trends despite financial problems, he said that it was a puzzle for him, and wanted to find an explanation
He was address students at a top MBA college
It appears that there is a lot of manipulation