In a very harsh tone (1) / he shouted at his servants (2) / and told them that he does not need their services. (3)/ No error. (4)

Answer

3

Explanation

did not will replace does not because -
the Main Clause is in Past Tense, So, the subordinate Clause will also be in Past Tense.
Hence, and told them that he did not need their services is the right usage