Suparna is older than Sukanya, Sreya is as old as Shourya, Divya is younger than Soumya, who is as old as Shourya, Sukanya is older than Sreya. Who is the oldest of all?

From the statements: Suparna > Sukanya > Sreya, and Sreya = Shourya = Soumya > Divya. Everyone else is younger than or equal in age to Sukanya, who is younger than Suparna, so Suparna is the oldest. Sreya and Shourya are the same age and both younger than Sukanya.