What to do with Tata Motors, Mamearth and 4 other stocks? Religare Broking's Ravi Singh decodes

For this week, the crucial level for Nifty is 22,800 with potential targets at 23,000-23,100 if this level is surpassed. For Bank Nifty, a decisive close above 48,500 could drive the index towards 49,000. These levels will be key indicators for further market movements