Abettor present when offence is committed is defined under section 114 of ipc. Provisions under IPC section 114 explained here:
What is Section 114 IPC:
Whenever any person who if absent would be liable to be punished as an abettor, is present when the act or offence for which he would be punishable in consequence of the abetment is committed, he shall be deemed to have committed such act or offence.
CLASSIFICATION OF OFFENCE
Punishment- Same as for offence committed–According as offence abetted is cognizable or non cognizable – According as offence abetted is bailable or non bailable — Triable by court by which offence abetted is triable–Non-compoundable.
Section 114 IPC Explanation:
Whenever the abettor who if absent will be punished as a consequence of the abetment, is present at the time when the act or offence was committed then the abettor shall be considered to have committed such an act or offence.