@Ponciana S Pajela,
I'm having a little problem visualizing your topology:
On R1, Try something like this:
R1(config)#int fa0/1
R1(config-if)# int fa0/1.10 #default gateway for vlan 10
R1(config-if)# encapsulation dot1q vlan 10
R1(config-if)# ip address 192.168.10.1 255.255.255.0
R1(config-if)# int fa0/1.20 #default gateway for vlan 10
R1(config-if)# encapsulation dot1q vlan 20
R1(config-if)# ip address 192.168.20.1 255.255.255.0
R1(config-if)# int fa0/1.30 #default gateway for vlan 10
R1(config-if)# encapsulation dot1q vlan 30
R1(config-if)# ip address 192.168.30.1 255.255.255.0
R1(config-if)# int fa0/1
R1(config-if)# no shutdown
ON SW1
SW1(config)# int fa0/1
SW1(config-if)# switchport mode trunk
SW1(config-if)# switchport nonegotiate
SW1(config-if)# exit
SW1(config)# vtp domain itprotv
SW1(config)# vtp password itprotv
SW1(config)# interface range fa0/2 - 3
SW1(config-if-range)# switchport mode trunk
SW1(config-if-range)# switchport nonegotiate
SW1(config-if-range)# interface vlan 1
SW1(config-if)# ip address 192.168.10.2 255.255.255.0
SW1(config-if)# no shutdown
ON SW2 trunk to fa0/2 on SW1 and trunk to fa0/3 on SW3
SW2(config)# int fa0/1
SW2(config-if)# switchport mode trunk
SW2(config-if)# switchport nonegotiate
SW2(config-if)# exit
SW2(config)# vtp domain itprotv
SW2(config)# vtp password itprotv
SW2(config)# vtp mode client
SW2(config)# interface fa0/3
SW2(config-if)# switchport mode trunk
SW2(config-if)# switchport nonegotiate
SW2(config-if)# interface vlan 1
SW2(config-if)# ip address 192.168.20.2 255.255.255.0
ON SW3 trunk fa0/2 to fa0/2 on SW2, trunk fa0/1 to SW3 on SW1 fa0/3
SW3(config)# int fa0/1
SW3(config-if)# switchport mode trunk
SW3(config-if)# switchport nonegotiate
SW3(config-if)# exit
SW3(config)# vtp domain itprotv
SW3(config)# vtp password itprotv
SW3(config)# vtp mode client
SW3(config)# interface fa0/2
SW3(config-if)# switchport mode trunk
SW3(config-if)# switchport nonegotiate
SW3(config-if)# interface vlan 1
SW3(config-if)# ip address 192.168.30.2 255.255.255.0
ON SW1, create VLAN 10,20,30 and verify on SW2 and SW3 that the vlans appear. If they do, verify you can ping from the router to each vlan interface IP address.
Then on SW3, plug a PC into fa0/10 and put that port into vlan 30, verify you can ping the default gateway for vlan 30, then vlan 20.
If not troubleshoot, cabling connections are correct, and configurations are correct.