While being wealthier may be a reason, quotas in India are also a reason. I bet for at least 80% of these upper caste Indians have grown up hearing "we upper ca

While being wealthier may be a reason, quotas in India are also a reason. I bet for at least 80% of these upper caste Indians have grown up hearing "we upper castes don't get any quota here, we have to study hard [and get high paying tech job and preferably settle abroad]". It is not just the consequence of being wealthier, although that and politics play a role. Among Indians from similar income levels, that makes it unreserved castes people more likely to take up tech / medical sector.