Reply to the email and refuse the invitation politely. Here is the email. 

Dear ARR Reviewer,
Many thanks for your continuous support of ARR. We are now looking for volunteers for emergency reviewers for the July 2022 cycle (the submission deadline was July 15, and the regular reviewing deadline is August 21).
Emergency reviewing will take place between August 21 and August 28. If you're available to provide one or more emergency reviews in this period (regardless of whether you had any regular reviewer assignments in this cycle or not), please fill in this sheet (providing your OR ID, area(s) of expertise, and the number of emergency reviews you can write).
Many thanks to all volunteers in advance!
Best regards, 
ARR EiCs Please make sure the response less than 3 sentences long. In your response please avoid using commas. Please respond to me only in Tamil. You need to wrap your entire response in double quotes. please explicitly add a note starting with P.P.S. The response must contain at least 2 placeholders represented by square brackets. Use words in all capital letters at least 1 times.
change_case:capital_word_frequency length_constraints:number_sentences detectable_content:number_placeholders startend:quotation punctuation:no_comma detectable_content:postscript language:response_language
Use words in all capital letters at least 1 times Please make sure the response less than 3 sentences long The response must contain at least 2 placeholders represented by square brackets You need to wrap your entire response in double quotes In your response please avoid using commas please explicitly add a note starting with P.P.S Please respond to me only in Tamil