Mumbai: Key Indian equity market indices opened in the red on Friday ahead of the crucial Goods and Services Tax Council meet.

The 30-scrip Sensitive Index (Sensex) was trading 67.70 points or 0.20 per cent lower during the early session.

The wider 51-scrip Nifty of the National Stock Exchange (NSE) was also trading 11.20 points or 0.11 per cent lower at 10,297.75 points.

The BSE Sensex, which opened at 33,235.75 points, was trading at 33,183.23 points (at 9.17 a.m.) in the early session, lower 67.70 points or 0.20 per cent from Thursday's close at 33,250.93 points.

The Sensex touched a high of 33,254.00 points and a low of 33,181.40 points in the trade so far.