Regular expresion to CFG

RGPV 2020   
Write given CFG for R.E (011 + 1)*(01)*. 

Ans. 
CFG for (011 + 1)* 
A –> CA
A –>  ε
C –> 011 | a
CFG for (01)*
B –> DB
B –> ε 
D –> 01
Final CFG for (011 + 1)*(01)*
S –> AB
A –> CA | ε
C –> 011 | 1
B –> DB | ε
D –> 01