Step 1: Analyze the sentence structure. The sentence describes a completed action in the past. It's a simple narrative statement about an event that happened.
Step 2: Determine the correct verb tense. For a single, completed action in the past, the Simple Past tense is required.
Step 3: Identify the Simple Past form of the verb 'see'. The past tense of 'see' is 'saw'.
Step 4: Apply the correct verb form. The sentence becomes: "Jai saw the burglar entering his house."