The Bank of Japan (BoJ), on its part, kept monetary policy steady and offered a brighter view of the economy.
There were geopolitical worries following deadly attacks in Europe. The rupee weakened to end at 68.03, which clouded sentiment.
The index dropped another 66.72 points, or 0.25 per cent, to end at 26,307.98 -- its lowest closing since December 7. It moved between 26,435.56 and 26,241.43 today. The gauge had lost 323.12 points in the previous four sessions.
"Though the finance minister announced relief measures for small traders, markets were seen eyeing the cascading effect of demonetisation," said Anand James, Chief Market Strategist, Geojit BNP Paribas Financial Services.
Also Read
FIIs preferred to keep their volume lower in view of approaching year-end holiday season as they pulled out funds from emerging markets, traders said.
Banking, healthcare and metal sectors saw the maximum decline. However, buying interest in select sectors like IT and consumer durables checked the slide.
Asian stocks ended largely mixed. Hong Kong's Hang Seng fell 0.50 per cent and Shanghai Composite was down 0.81 per cent.
Japan's Nikkei ended higher by 0.50 per cent after the Bank of Japan boosted its view of the world's number three economy as exports picked up on the yen slide.
Europe too was mixed in nervous trade after the deadly attacks in Germany and Turkey, with Frankfurt falling 0.10 per cent and Paris 0.22 per cent. London's FTSE was up 0.08 per cent.
The BSE Banking index was down 1.26 per cent, followed by healthcare 1.13 per cent, PSU 0.90 per cent, metal 0.87 per cent and auto 0.84 per cent.
Mid-cap and small-cap too fell by 1.40 per cent and 0.92 per cent, respectively, on continued offloading of positions by retail investors.
US stocks ran up losses yesterday as the Dow Jones
Industrial Average fell for the fourth straight session.
The European Central Bank held rates and its bond-buying programme steady at its Thursday's meeting. The bank's President Mario Draghi said the governing body stood ready to intervene further, if warranted.
The total turnover on BSE read Rs 2,574.79 crore, down from Rs 3,233.87 crore registered during the previous trading session.