Rani Mam, also known as Rani Singh, is an Indian educator and author focused on English language instruction, particularly for students preparing for competitive examinations. She is widely known for her engaging teaching style and practical approach to grammar, vocabulary, idioms, and comprehension. Through both classroom instruction and online platforms, she has guided thousands of learners toward improving their English proficiency. She is especially popular among aspirants preparing for exams like SSC, Bank PO, CDS, and NDA. Rani Mam is also associated with the UC LIVE platform, where she offers structured courses and targeted practice. Her books, including Practice Book of A-Z Idioms and Samudramanthan of Vocabulary, are recognized for their clarity and effectiveness, offering focused content to help students strengthen their command of English. With a strong presence in the educational community, she continues to inspire learners to develop confidence and fluency in the English language.