THIRUVANANTHAPURAM: AICC member Tariq Anwar has hinted at major changes in the DCC and constituency levels of state Congress. Comments should be made by the leaders within the party. Tariq Anwar also demanded that leaders should refrain themselves from making public statements. He added that the UDF did not suffer a major setback in the elections and had only a 0.95 per cent vote difference with the LDF.