The current price of TATA MOTORS is 997.95 INR — it has risen 1.95% in the past 24 hours.
Open interest is the number of contracts held by traders in active positions — they're not closed or expired. For TATA MOTORS this number is 0. You can use it to track a prevailing market trend and adjust your own strategy: declining open interest for TATA MOTORS shows that traders are closing their positions, which means a weakening trend.