NEW DELHI: Despite marathon meetings with the high command, the tussle between Karnataka chief minister Siddaramaiah and his deputy DK Shiva Kumar over state’s tops job does not appear to be ending soon.As Congress president Mallikarjun Kharge courted both the leaders in Delhi for to decide party candidates for the upcoming Rajya Sabha elections, the point of interest remained the protracted leadership tussle.News agency PTI, citing sources, reported that the Shivakumar camp has been pressing Siddaramaiah to quit the top post and a formula to accommodate him in the central role has been offered to him, which he has not accepted. The formula includes giving Siddaramaiah a Rajya Sabha seat, they said. The party, however, did not say anything on this.