Depart from Kempegowda International Airport on a budget airline like AirAsia or Scoot with a layover, costing approximately INR 22,000 per person one way. Flight duration including layover: approx. 12-15 hours.
Stay at a budget-friendly capsule hotel such as The Millennials Shibuya offering affordable group capsule stays at about JPY 3000 (INR 1700) per night per person.
Enjoy casual izakaya dining at Torikizoku for affordable yakitori and drinks (¥300-¥400 per skewer), then explore Kabukicho nightlife area for bars and entertainment.
Return to Tokyo by train (¥1000 approx, 90 mins), then take the Shinkansen to Osaka (about 2.5 hours, ¥14,500). To save cost opt for JR Pass for 7 days at approx JPY29,650 (approx. INR 16,000) which covers bullet trains and regional JR trains.