East Central Railway is recruiting constables for the Railway Protection Force (RPF) and Railway Protection Special Force (RPSF) with a total of 246 vacancies. Eligible candidates must have a minimum of 2 years' experience in playing a musical instrument and meet specific age, educational, and physical standards. The application process involves a written examination, physical tests, document verification, and a trade test, with a fee of Rs. 50, exempt for certain categories.