Abandoning without reserve all desires born of SANKALPA, and completely restraining the whole group of senses by the mind from all sides.

saṅkalpa = mental speculations; prabhavān = born of; kāmān = material desires; tyaktvā = giving up; sarvān = all; aśeṣataḥ = completely; manasā = by the mind; eva = certainly; indriyagrāmaṃ = the full set of senses; viniyamya = regulating; samantataḥ = from all sides.;