you can come to kurnool and then you can visit both srisailam by bus and then go to mahanandi . In return you can take a trin from nandyal to bangalore by prshanti or kondaveedu

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Take MYS KCG exp at SBC 1820 to Kurnool 1 20 arrival take first bus from Kurnool at 500 to reach at 1100 buses every 1 hour. You can book online through apsrtconline.in you can book room from official site of Srisailam devasthanam and take printout have darshan in Rs 100/200 que in afternoon and visit nearby 5 temples by Jeep who take fare per person. See that u leave temple by 1600 as round trip will take 2 hrs and temple sikara darshan is very important if late it will be dark. Next day take bus to Mahanandi at 500 arrival 1100.complete darshan and take train from Kurnool KCG exp to arrive by morning or can take APSRTC bus from Nandyal to Bangalore to reach in morning. There will be crowd as it's summer at Srisailam Rs 100/200 ticket itself will take hour to 2 hours.

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Just board Kondaveedu express,Prashanti or Weekly Garibrath reach to Nandyal and book a retiring room in railway station with ur pnrnumber costs 150/- for AC &70/- for Non AC.Take rest and visit Mahanandi which is just 12kms from Nandyal town u will find a bus for every 20 minutes from Nandyal Bustand.After Mahanandi,u may leave to Srisailam to visit Mallikarjuna Temple.Every hour u will find a bus to Srisailam from Nandyal Busstand.Just 2.5 hours journey from Nandyal.Come back to Nandyal and visit Ahobilam,Yaganti,Kotturu Temple even Nava Nandis in Nandyala town itself and enjoy return journey with anyone of the above listed trains..

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