ई-मेलचा गैरवापर, भारतीय दंडविधान कायद्यानुसार सेक्शन मध्ये सायबर गुन्हा होतो.

The correct answer is Option D (Section 500 IPC).

Key Points:
• E-mail abuse involving the transmission of defamatory, insulting, or abusive emails directed at damaging an individual's reputation is prosecuted as criminal defamation under Section 500 of the Indian Penal Code (IPC).
• Section 499 of the IPC defines defamation, while Section 500 provides punishment for defamation with simple imprisonment up to two years, a fine, or both.
• Along with provisions of the Information Technology Act, 2000 (such as Section 66A prior to its strike-down in the Shreya Singhal case, and Section 66D for impersonation), defamatory emails are charged under Section 500 IPC.
• In contrast, Section 420 of IPC deals with cheating and dishonestly inducing delivery of property, Section 418 with cheating with knowledge that wrongful loss may ensue, and Section 421 with fraudulent removal or concealment of property.
• The official MPSC final answer key confirms Option 4 (Section 500 IPC).
• Key Takeaway: E-mail abuse involving defamatory content is penalised as criminal defamation under Section 500 of the IPC.