In this question, we are asked to identify the pair of organization and their founders that is NOT correctly matched.

Option 1: National Liberation Federation - Tej Bahadur Sapru and M.R. Jayakar

This option is correctly matched. Tej Bahadur Sapru and M.R. Jayakar were indeed associated with the National Liberation Federation.

Option 2: Jamait-ul Ulema-e Hind - Maulana Mahmudal Hasan or Shaikh-ul-Hind

This option is correctly matched. Both Maulana Mahmudal Hasan and Shaikh-ul-Hind were associated with Jamait-ul Ulema-e Hind.

Option 3: Congress Democratic Party - B.G.Tilak

This option is correctly matched. B.G. Tilak was one of the founders of the Congress Democratic Party.

Option 4: Congress Socialist Party - M.N.Roy

This option is NOT correctly matched. The correct founder of the Congress Socialist Party is Acharya Narendra Dev, not M.N. Roy. M.N. Roy was associated with the Communist Party of India.

Therefore, the correct answer is option 4.