justdial is a rip off, or maybe you're trying to earn some commisions?
People - use comparison webs like niftylist mentioned above or
http://www.cheapestinternationalcalls.com or
http://www.internationalcheapcalls.com and find out who is cheapest for you destination today - to call one country is cheaper using telestunt, other country - telediscount or cheapestcalls and so on... and also companies sometimes changing access numbers and prices.