Richmond Fellowship Society is actually functioning in 25  countries abroad and a simple search for "richmond fellowship" on any search engine like www.google.com or www.yahoo.com ought to throw up details of their bodies in countries like England,Canada etc - You can look up the details of their Indian centers by clicking on the link below : www.rfs.org.in and then go over to their Bangalore center page for more details - They have several places at Bangalore and one main center that I have visited is located at the address : 

"Asha" 501 . 47th Cross , 9th Main , V Block  , Jayanagar Bangalore-560 041
Tel : (080) 2664 5583 Fax : (080) 2634 1673 Email : rfsindia@vsnl.com

Quite likely that their monthly pricing would lie between Rs.7000 to Rs.12000 but exact rates , any reductions etc could be ascertained with the concerned staff in charge by direct contact -