Sandeep Sonkusale shares his personal journey towards obtaining PMP certification, detailing the challenges faced, preparation strategies, and the importance of aligning with PMI methodologies. He emphasizes the necessity of concentrating on PMI's project management approaches rather than personal organizational experiences and encourages iterative preparation with time management during the exam. Through trial, error, and self-reflection after his initial attempt, he cultivated a positive attitude and a systematic approach to successfully pass the certification.