Morning brief: Mamata threatens legal action against Modi government, RBI to cut interest rates, Nico Roseberg's retirement and more

Here are a few stories from International Business Times India to start your day with.

1.TMC chief Mamata Banerjee finally leaves state secretariat, threatens legal action against Modi government

 West Bengal Chief Minister and Trinamool Congress chief Mamata Banerjee finally left the Secretariat office on Friday evening after spending 36 hours in the building. Read more here. 

2. Formula One news: Nico Rosberg announces shock retirement days after first title

Talk about going out on a high and shocking everyone at the same time. Nico Rosberg, less than a week after winning his first Formula 1 title, announced his retirement from the sport. Rosberg achieved his dream of winning the drivers' championship after pipping fellow Mercedes driver Lewis Hamilton in a hotly-contested title battle this season, and just like that, the German decided it was time to end his career. Read more here. 

3. Demonetisation: Your old Rs 500 and Rs 1,000 notes could be worth a fortune

Prime Minister Narendra Modi may have rendered illegal the old Rs 500 and Rs 1,000 currency notes in one fell swoop — announcing on November 8 that these banknotes would be outlawed from that midnight — but it might be a good idea to hold on to some of them, because they might fetch good money about five to 10 years from now, and may become even more valuable after that. Read more here.

4. RBI seen cutting rates as demonetisation rattles economy: Poll

India's central bank is expected to cut interest rates next week and economists are set to chop growth and inflation forecasts after Prime Minister Narendra Modi's currency crackdown rattled the economy and severely hurt consumption, a Reuters poll showed. Read more here.

5. Kahaani 2 movie review: Less impressive than the first movie but surely 'paisa vasool'

It is said that a mother can go up to any extent to save her child and Kahaani 2 depicts the same with a good dose of thrill and emotion. Starring Vidya Balan and Arjun Rampal, Kahaani 2 is the second instalment of Vidya's one of the best films Kahaani. Keeping up with the expectations, Kahaani 2 has a good storyline that has almost everything to keep the audience hooked to their seats. Read more here.