volume and trades.

How to select stocks on the basis of volume and trades?
Number of buyer and seller is known a volume basically.
If volume is more that 40000 in BSE and 1 lakhs in NSE of a particular share ,its good.
But if it less than 20000in BSE and 40000 in NSE its bad.
Dont buy these shares whose volume is so low.

How to select stocks on the bsaed of trades?
If trades is more than 5 /minutes of a particular share in a particular exchange ,its good.
How to calculate?
Trades per minute= total no of trades(TTQ)/356
If trades is less than 3 in a particular share in a particular exchange ,that is bad.
Dont buy this share.
How can i conferm that a share is operated by a operator group?
If trade quantity is less than 2 /min and market price increase with a gap.then we may assume that operator group is involve in this share.