nifty - long term trend is sideways or down

NSE:NIFTY   Nifty 50 Index
for educational purpose - Nifty is showing Divergence in RSI indicator in weekly chart in spite of higher price (8992.5) then previous (8968.70). This trend was sharp and swift. And to uphold this trend Nifty should protect 8724.84 (fib level 0.236) other wise (fib level 8565).