Lowest Discount Brokers with prepaid Monthly plans

Please discuss about lowest Brokerage plans (with prepaid schemes) and Brokers in this thread.

My Take is following :-

(a) RKSV (www.rksv.in)

(b) Wisdom Capital (www.wisdomcapital.in)

(c) Trade Smart Online (www.tradesmartonline.in)

(d) VPS SHARE (www.VPSshare.in)

(e) Sas Online (www.sasonline.in

(f) Achievers


thanks