Here's a roundup of what is making headlines in  India on Tuesday, April 21:      Despite India’s efforts to isolate Pakistan on global stage, the country has emerged as a diplomatic darling, now even hosting major ceasefire talks between the US and Iran. Over a year since India accused Pakistan of terrorism over the Pahalgam attack that killed 26 Indians , has India failed to control the narrative on Pakistan? DW's Shalu Yadav reports:  Videos of Sikh men brandishing ceremonial knives and