Yes. You are eligible for government job.
Vision in one eye only with myopia 3.5 and an engineering degree is not a lamentable condition. You can be suitable for many vocations in government or private sector or as a self-employed person.
You are eligible for physical handicap benefit in terms of section 33 of the PWD ACT, 1995 [The Persons with Disabilities Act, 1995], which is reproduced below. Every appropriate government shall appoint in every establishment such percentage of vacancies not less than three per cent, for persons or class of persons with disability of which one per cent, each shall be reserved for persons suffering from -
Blindness or low vision;
Bearing impairment;
Locomotor disability or cerebral palsy, in the posts identified for each disability: Provided that the appropriate government may, having regard to the type of work carried on in any department or establishment, by notification subject to such conditions, if any, as may be specified in such notification, exempt any establishment from the provisions of this section.