itr form 16

No, You can't skip, you have to show both companies salary.

• If the income assessed/ re-assessed exceeds the income declared by the assessee, or in cases where return has not been filed and income exceeds the basic exemption limit, penalty at 50% of tax payable on such under reported income shall be levied.
• 200% of the tax is payable if under-reporting results from misreporting of income