Resources focused on international relations that are beneficial for UPSC preparation include established texts like Rajiv Sikri's "India's Foreign Relations," and various government publications and reports, including those from the Ministry of External Affairs. Following reputable journals and magazines like The Economist and Foreign Affairs can offer contemporary insights. Additionally, online platforms providing focused courses or webinars can deepen understanding. Staying updated with international events through authoritative news sources is crucial, as it enriches knowledge and aids in effective answer writing for related questions.