diff --git a/src/db/db.go b/src/db/db.go
index c4d52a7..c72243f 100644
--- a/src/db/db.go
+++ b/src/db/db.go
@@ -13,17 +13,29 @@ import (
 	"go.mongodb.org/mongo-driver/v2/mongo/options"
 
 	"hms_patient_mgmt_svc/models"
+	"hms_patient_mgmt_svc/utils"
 )
 
 // Get mongo collection for 1 minute connection pool
 func get_db_collection() (*mongo.Collection, *mongo.Client) {
 	_, cancel := context.WithTimeout(context.Background(), 60*time.Second)
 	defer cancel()
-	client, err := mongo.Connect(options.Client().ApplyURI(os.Getenv("APP_DB_URI")))
+	var base64_encoded_data = map[string]string{
+		"APP_DB_URI":      os.Getenv("APP_DB_URI"),
+		"APP_DB_NAME":     os.Getenv("APP_DB_NAME"),
+		"COLLECTION_NAME": os.Getenv("COLLECTION_NAME"),
+	}
+
+	base64_decoded_data, base64_err := utils.DecodeBase64(base64_encoded_data)
+	if base64_err != nil {
+		// fmt.Println("base64 decode error", base64_err.Error())
+	}
+
+	client, err := mongo.Connect(options.Client().ApplyURI(base64_decoded_data["APP_DB_URI"]))
 	if err != nil {
 		panic(err)
 	}
-	collection := client.Database(os.Getenv("APP_DB_NAME")).Collection(os.Getenv("COLLECTION_NAME"))
+	collection := client.Database(base64_decoded_data["APP_DB_NAME"]).Collection(base64_decoded_data["COLLECTION_NAME"])
 	return collection, client
 }
 
diff --git a/src/main.go b/src/main.go
index 435f1f9..4b35eda 100644
--- a/src/main.go
+++ b/src/main.go
@@ -2,14 +2,13 @@ package main
 
 import (
 	"hms_patient_mgmt_svc/api"
-
-	"github.com/joho/godotenv"
+	// "github.com/joho/godotenv"
 )
 
 func main() {
-	err := godotenv.Load()
-	if err != nil {
-		panic(err)
-	}
+	// err := godotenv.Load()
+	// if err != nil {
+	// 	panic(err)
+	// }
 	api.Api()
 }
diff --git a/src/utils/helper.go b/src/utils/helper.go
new file mode 100644
index 0000000..112963b
--- /dev/null
+++ b/src/utils/helper.go
@@ -0,0 +1,18 @@
+package utils
+
+import (
+	"encoding/base64"
+)
+
+func DecodeBase64(base64_encode_data map[string]string) (map[string]string, error) {
+	var decoded_map map[string]string = make(map[string]string)
+
+	for k, v := range base64_encode_data {
+		data, err := base64.StdEncoding.DecodeString(v)
+		if err != nil {
+			return nil, err
+		}
+		decoded_map[k] = string(data)
+	}
+	return decoded_map, nil
+}