No, if the candidate is there in a company only for the internship, then they are not eligible for PF, TDS, ESI deductions. If they are on the job and serving their probation period, and after the probation, if they are turned into a permanent employee, then they are eligible for PF, ESI, etc.
Also, every employee is eligible for a bonus if they have completed their 30 days of work in that year.