Consider the following:<br/>1. Hotels and restaurants<br/>2. Motor transport undertakings<br/>3. Newspaper establishments<br/>4. Private medical institutions<br/><br/>The employees of which of the above can have the 'Social Security' coverage under Employees' State Insurance Scheme?

1. Hotels and restaurants — Covered under the ESI Act in implemented areas as part of shops/commercial establishments. Verdict: Correct.

2. Motor transport undertakings — Specifically covered under the Employees' State Insurance framework. Verdict: Correct.

3. Newspaper establishments — Also brought under ESI coverage in implemented areas. Verdict: Correct.

4. Private medical institutions — Private educational and medical institutions are covered under ESI in notified/implemented areas. Verdict: Correct.

Since all four categories can get social security coverage under the Employees' State Insurance Scheme, the correct answer is (d) 1, 2, 3 and 4.