Indian markets witnessed a lacklustre session on Thursday as benchmark indices slipped below the 26,000 mark and extended losses through the day. The Nifty struggled to hold higher levels, with persistent selling dragging it lower. Sectorally, major weakness was seen in Healthcare, Metal, Pharma, and IT indices, all ending in the red. On the technical front, the Nifty has formed an immediate support zone near 25,800, while resistance is capped around 26,000. Globally