The correct answer is option 2: 19. In Maharashtra, there are a total of 19 parliamentary seats for the Rajya Sabha constituency. The Rajya Sabha is the upper house of the Parliament of India and its members are elected by the elected members of the State Legislative Assemblies. Each state is allocated a certain number of seats based on its population. In the case of Maharashtra, it has a significant number of seats due to its large population. The Rajya Sabha plays a crucial role in the legislative process by reviewing and providing inputs on bills, representing the interests of the states, and serving as a platform for discussions on important national issues.