Please avoid trading stocks which are not listed in Nifty 100(Intra)nifty 200(swing/positional)nifty 500(investment)
Analyze the Chart, Plot your levels...You can't Trade the BANKNIFTY spot, instead you should go for its derivatives..such as Options and futuresLearn and Earn
Volume doesnot mean that candle will be bigger...For bigger candle either the buyers or sellers need to be HIGH dominant..A tug of war between both buyer and seller will not form a big candle.