Even if they're not up to western standards, it nonetheless helps in following ways. India gets more jobs, boost in economy. In addition, India learns, so education flourishes (students can become engineers knowing there are jobs for it). Finally, one day India can be closer if not at par with the western standards.
This is what helped china. With big economy, they don't go out buying American planes and even when they buy Russian, they learn from it. Now their jets are having more home grown material than an exact copy of soviets.