About posterior cruciate ligament, true statement is -
Prevent posterior displacement of Tibia
Attaches to lateral femoral condyle
Intra synovial
Inserted on medial side of medial femoral condyle
PCL prevents posterior gliding (subluxation) of tibia over femur.

ACL attachments 

Origin (anterior) : - From anterior part of intercondylar area of tibia just behind the anterior horn of medial meniscus.
Insertion (posterior) : - On posterior part of medial surface of lateral femoral condyle.

PCL attachments

Origin (posterior) : - From posterior part of intercondylar area of tibia.
Insertion (anterior) : - On anterior part of lateral surface of medial femoral condyle.