used to indicate possession
आपका
English Usage: Is this pen yours?
Hindi Usage: क्या यह कलम आपका है?
referring to something that belongs to the person being spoken to
English Usage: This book is yours.
Hindi Usage: यह किताब आपका है।
pertaining to you
आपका संबंध
English Usage: You should take yours too.
Hindi Usage: आपको भी अपना लेना चाहिए।