Board an overnight Volvo/sleeper bus from Majestic/Kempegowda bus station to Madikeri (arrive early morning). Saves a night's hotel in Bangalore and is budget-friendly.
Interact with elephants, watch bathing/feeding sessions and learn about conservation; camp activities usually start around 9:00AM. (Open roughly 9:00–16:30; check local timing before you go).
Short guided walk through a coffee estate to learn cultivation and taste fresh beans — many estates welcome visitors between 9:00–17:00; small fee or donation requested.
Largest teaching center of Nyingma Buddhism in South India; peaceful prayer halls and colourful frescoes. Open to visitors; be respectful and check visiting hours (usually until early evening).
Estimated budget breakdown (approx): Intercity buses ₹1,600; Accommodation (2 nights) ₹3,000; Local transport (shared taxi/local rides) ₹2,200; Meals ₹2,000; Activities/entries ₹540; Misc buffer ₹660. Total ~₹10,000 — well within your ₹15,000 budget, leaving room for upgrades or shopping.