https://forumias.com/post/detail/I-have-failed-Continuously-in-4-Prelims-I-have-fundamental-loopholes-in-my-preparation-and-my-studies-I-havent-taken-any-Foundational-Coaching-and-rely-on-Test-Series-How-should-i-improve-upon-my-Mistakes--1656021908?JiwzYFMtI0BQCmAK