The Congress on Wednesday asked the 100th Adani question to Prime Minister Narendra Modi: will you act in the national interest using the vast army of investigative agencies at your disposal to look into the conglomerate and your own complicity in the murky affairs?   No controversy in India has thrown up 100 questions — a milestone at which the Congress has wrapped up the HAHK (Hum Adani Ke Hain Kaun) series. The Opposition party listed five central agencies which abdicated their responsibilities in the co...