Inter Vlan Communication

Mikrotik CCR 1072 router BGP Routing I have advertised 103.X.X.0/24 and from /24 I have multiple subnet (103.X.X.0/28 and 103.X.X.32/29) with Sub interface using Vlan and I am able to ping Sub interface IP address-103. X.X.34 from this router and also cloud but unable to ping from our other sub interface network So support us to resolve the issue