Which gang were you then part of? Kapil Sibal asks HM Shah via tweet

Amit Shah had alleged that Congress wants to take 'J&K back to the era of terror and turmoil “ when in talk with other parties in the upcoming District Development Council elections. Reacting to Shah's statement, Congress leader Kapil Sibal said:"Amitji was BJP -PDP alliance to “ bring back terror in J&K ..” ? Which gang were you then part of ?" Sibal made the attack on his twitter account in response to Union Home Minister Amit Shah's tweet over 'Gupkar Gang'.