* Both NSE, BSE indexes end flat
* Reliance Industries, Tech Mahindra among top losers
BENGALURU, June 27 (Reuters) - Indian shares erased early gains to settle largely flat on Thursday due to volatility around the expiry of June derivative contracts, with Reliance Industries Ltd and Tech Mahindra Ltd among the biggest losers.
The broader NSE index closed 0.05% lower at 11,841.55, while the benchmark BSE index was flat at 39,586.41.
Reliance Industries ended 1.6% lower, while Tech Mahindra shed 2.3%.
For the mid-day report, click (Reporting by Krishna V Kurup in Bengaluru; Editing by Rashmi Aich)