Explanation:

- Yogendra Singh, a noted Indian sociologist, categorized social movements based on their orientation.

- He mentioned Integrative (which seek to integrate individuals into the mainstream) and Alienating (which seek separation from dominant social order).

- The options given are:

- 1. Integrative

- 2. Alternative

- 3. Alienating

- 4. Reformative

- Alternative and Reformative are not mentioned by Yogendra Singh as his types; these are more commonly used by Western sociologists like Aberle.

- Integrative and Alienating are the correct pair according to Yogendra Singh.

- Now, look at the options:

- Option 1: 1 and 2 (Integrative and Alternative)

- Option 2: 1 and 3 (Integrative and Alienating)

- Option 3: 3 and 4 (Alienating and Reformative)

- Option 4: 1 and 4 (Integrative and Reformative)

- The correct answer is Option 2: 1 and 3 (Integrative and Alienating).