delete bioinformatics

docs/source/index.md

@@ -37,7 +37,6 @@ BiTIA CLI creates a zip file of the user input(pipeline) containing a unique has
 :hidden: true
 
 getting_started/Installation
-getting_started/bioinformatics
 getting_started/Working
 
 ```
@@ -103,7 +102,8 @@ TODO: Order of searching configuration file.
 <details>
 <summary><b>GETTING_STARTED</b></summary>
 
-- To Learn about Bio-Informatics pipelines and RNA-seq analysis refer [Bio-Informatics pipelines](getting_started/bioinformatics.md)
+- To Learn about Bio-Informatics pipelines ofs RNA-seq analysis refer 
+[Bioinformatics pipelines](https://docs.gdc.cancer.gov/Data/Bioinformatics_Pipelines/Expression_mRNA_Pipeline/)
 
 - To Understand working with BiTIA refer [Working with BiTIA CLI](getting_started/Working.md)