There are two ways to commit Direct Assault (Art. 148, RPC)
By any person or persons who, without a public uprising, shall employ force or intimidation for the attainment of any of the purposes enumerated in defining the crimes of rebellion and sedition.
By any person or persons who, without a public uprising, shall attack, employ force, or seriously intimidate or resist any person in authority or any of his agents, while engaged in the performance of official duties, or on occasion of such performance.
Elements of the First Form of Art. 148 Direct Assault
That the offender employs force or intimidation;
That the aim of the offender is to attain any of the purposes of the crime of rebellion or any of the objects in the crime of sedition;
That there is no public uprising.
Elements of the Second Form of Direct Assault
That the offender (a) makes an attack, (b) employs force, (c) makes a serious intimidation, or (d) makes a serious resistance.
That the person assaulted is a person in authority or his agent.
That at the time of the assault the person in authority or his agent (a) is engaged in the actual performance of official duties, or that he is assaulted, (b) by reason of the past performance of official duties.
That the offender knows that the one he is assaulting is a person in authority or his agent in the exercise of his duties.
That there is no public uprising.
