From Rigpa Wiki
Zabtik Drolchok (Wyl. zab tig sgrol chog), 'The Profound Essence of Tara' — a popular practice of Green Tara revealed as a terma by Chokgyur Dechen Lingpa. Its full name is The Essence of the Two Accumulations, The Mandala Ritual from the Mind Treasure, The Profound Essence of Tara, and among the seven special transmissions, it belongs to the category of mind terma. It includes outer, inner and secret sections.