It's quite understandable, imho. Immigration is being allowed precisely for cheap labor, especially when citizens are not prepared to go through the extra hardship - for example, I remember reading that the fatalities when the bridge fell in Baltimore around 1 am, were all immigrants, all on duty at that hour.
For specialized labor, there is always a question of possible espionage and back-channel tech transfer. This is not so much perhaps for India as opposed to other technological rivals, but it may be one of the considerations in the immigration policy being counterintuitive.
As an example of how strict immigration policy is, the crew were made to stay on the boat throughout, including while parts of the bridge were blown up.
pfft people who want to find a way around what anyone "allows" will do so. To desperate people rules dont matter.
There are more than 50 countries right now standing with begging bowls outside the IMF cause their economies have no hope of growing without help. As long as that list has no hope of shrinking, people who live there and recognize that reality, are going to find ways to get out by hook or crook.
Immigration is a symptom of growing global inequality. Without inequality reducing no rules or walls are going to stop the incoming waves.
For specialized labor, there is always a question of possible espionage and back-channel tech transfer. This is not so much perhaps for India as opposed to other technological rivals, but it may be one of the considerations in the immigration policy being counterintuitive.