If you have been wondering about the performance of the six fund managers in NPS, you may find the following link useful.
The Equity funds seems not be be aggressively managed. if you had a higher equity allocation( 50%) your return might be lesser than a conservative investor in a period where equities have done fairly well.
Anyhow, it's too early to judge the performance with this sample.
One thing missing in the article is that there is no specific mention of tier-1 or tier-2 funds when discussing fund performance.
Here goes the link.