Can anyone help me to draw parting line for attached component?

Based on limited information, (I can only see the jpeg), surfaces 1 and 2 need to be co-planar to eliminate the undercut shown in the picture. Some draft on this surface would be appreciated by the molder too.

Using "Draft analysis" is helpful to see where a molded part needs work to get the parting lines right. Red surfaces have the specified draft or more in one pull direction, green surfaces in the other pull direction. Yellow surfaces have less than the specified draft, or no draft.

Replying to your comment Ranjith, the parasolid model doesn't match the model shown in the jpeg image so that's curious, but anyway, regarding the parasolid model there are 2 ways to orient this part for injection molding:

1. Pull direction is parallel with the center bore and either tool side actions or possibly a redesign is necessary to deal with the 2x features that protrude sideways.

or

2. pull directon is parallel with the 2x sideways protruding features with a single tooling side action to get the center diameters.

In either case, some redesign is necessary to get the part drafted and the parting line arranged correctly, so the first question needing answered is:

"Which direction should the main pull direction for this part?"

The molder may have a preference, and/or the functional requirements of the part may prefer one pull direction over the other.

Once the pull direction is determined, then the proper filleting, parting line shutoffs, drafts, etc...can be determined.

As it stands, the parasolid part has no draft, and some of the filleted edges would rather be sharp, depending on the final choice of pull direction.