According to the Constitution of India, the term 'district judge' shall not include

1. The question asks which term is *not* included in the definition of 'district judge' according to the Constitution of India. 2. Article 236(a) of the Constitution defines the expression 'district judge'. 3. This definition includes: judge of a city civil court, additional district judge, joint district judge, assistant district judge, chief judge of a small cause court, chief presidency magistrate, additional chief presidency magistrate, sessions judge, additional sessions judge, and assistant sessions judge. 4. The definition explicitly includes chief presidency magistrate, sessions judge, and chief judge of a small cause court. 5. A 'tribunal judge' (a judge presiding over a specialized tribunal, often dealing with administrative or tax matters, etc.) is generally appointed under different legal provisions and is not included within the specific definition of 'district judge' under Article 236(a) concerning the subordinate judiciary.