Mind Your Language S1, S2 and S3 - https://archive.org/details/mind-your-language-s-01-e-02-an-inspector-calls.

Many Happy Returns

Ranjeet has been working three jobs so that he can surprise his mother in Punjab for her 60th birthday, but the night before he is to pay for his ticket, he loses the envelope with all his hard-earned money. It seems someone from the school has found the money and bet half of it on a horse race.