Noted writer and niece of former Prime Minister Jawaharlal Nehru, Nayantara Sahgal is impressed with the way Congress vice president Rahul Gandhi has decided to play a bigger role and feels he is showing signs of great change. “He is certainly showing signs of great change. I have noticed a change, which is very positive," said Sahgal, who recently returned her 'Sahitya Akademi' Award over the Dadri lynching incident and growing inolerance.