To determine the correct meaning of the underlined word "voracious" in the given sentence, let us analyze the meaning of each option:
Upon analyzing the options, the word "ravenous" closely aligns with the meaning of "voracious" when referring to a reader, both describing an intense craving or interest. Therefore, the correct answer is ravenous.
Conclusion: In the context given, "Rajni is a Voracious reader," the word "voracious" means "having a strong appetite for reading," which is accurately reflected by the option ravenous.

Pick the appropriate meaning of the term 'proscribe' used in the following sentence :-'Arms culture should be proscribed by the government.'