As per the latest Supreme Court verdict those who contribute at higher salary, ie, 50000 in the example, should get pension based on that higher salary as their pensionable salary. How the service will be worked out is not clear but the verdict only says that the pensionable salary should be the average of 12 months pensionable salary immediately preceding the retirement. That means that even if you contribute through out at 15000 but contribute on 50000 for the last year, he should be getting pension based on 50000!! If so, the EPFO will be at a heavy Loss.