BJP ally Lok Janshakti Party (LJP) chief Ram Vilas Paswan took a jibe at the opposition on Tuesday after BSP supremo Mayawati announced that her party will not contest the Uttar Pradesh Assembly bypolls in a tie-up with the SP, saying its alliances in every state will crumble in the days ahead and "parties like the SP, the BSP and the RJD will have to shut their shops by 2020".