Mumbai, Sept. 4 -- The Indian rupee pared early day gains and slipped back beyond Rs 88 per dollar mark on Thursday. INR fell 12 paise to close at 88.14 (provisional) against the US dollar amid sustained foreign fund outflows and a stronger greenback. US dollar index consolidated just above 98 mark after hitting around one-week high yesterday. Market remained cautious ahead of upcoming US labor market releases, including jobless claims, ADP data, and nonfarm payrolls. However, positive sentiment in the domestic equity markets which were buoyed by the GST rate revision and a drop in international crude oil prices prevented sharper losses in the local unit. Investor sentiment was also buoyed by hopes of robust domestic GDP growth after the ...