New Delhi: Former Union minister and Congress leader Krishna Tirath formally joined the BJP this evening. The Delhi veteran met BJP chief Amit Shah on Monday morning, taking her party by surprise.Here are the highlights: PromotedListen to the latest songs, only on JioSaavn.comAlso ReadDelhi's Air Quality Deteriorates, AQI In 'Hazardous' CategoryKarnataka's Waqf Policy Treating Hindus As "2nd-Grade" Citizens, Says BJP"Allergic" To Ambedkar's Name: Tamil Actor Vijay Criticises Amit Shah Amid Row