New Delhi, April 27 (ANI): Congress leader Kapil Sibal on Sunday slammed the BJP and its PM candidate Narendra Modi. He said that if an investigation is carried out regarding land allocation to Adani Group, Modi will be found involved. Further reacting to Modi,s remark over Rahul Gandhi's speeches being shown at a comedy show, Sibal said that Modi is not worth being a Prime Minister and he should check his language.