diff --git a/crm/fcrm/doctype/crm_contacts/crm_contacts.json b/crm/fcrm/doctype/crm_contacts/crm_contacts.json
index e6044d67..5bca79f9 100644
--- a/crm/fcrm/doctype/crm_contacts/crm_contacts.json
+++ b/crm/fcrm/doctype/crm_contacts/crm_contacts.json
@@ -12,7 +12,8 @@
   "column_break_uvny",
   "gender",
   "mobile_no",
-  "phone"
+  "phone",
+  "is_primary"
  ],
  "fields": [
   {
@@ -55,7 +56,6 @@
    "fetch_from": "contact.phone",
    "fieldname": "phone",
    "fieldtype": "Data",
-   "in_list_view": 1,
    "label": "Phone",
    "options": "Phone",
    "read_only": 1
@@ -64,16 +64,22 @@
    "fetch_from": "contact.gender",
    "fieldname": "gender",
    "fieldtype": "Link",
-   "in_list_view": 1,
    "label": "Gender",
    "options": "Gender",
    "read_only": 1
+  },
+  {
+   "default": "0",
+   "fieldname": "is_primary",
+   "fieldtype": "Check",
+   "in_list_view": 1,
+   "label": "Is Primary"
   }
  ],
  "index_web_pages_for_search": 1,
  "istable": 1,
  "links": [],
- "modified": "2023-08-25 19:19:27.813526",
+ "modified": "2023-11-12 14:58:18.846919",
  "modified_by": "Administrator",
  "module": "FCRM",
  "name": "CRM Contacts",
diff --git a/crm/fcrm/doctype/crm_deal/crm_deal.py b/crm/fcrm/doctype/crm_deal/crm_deal.py
index df1c8413..927c8baa 100644
--- a/crm/fcrm/doctype/crm_deal/crm_deal.py
+++ b/crm/fcrm/doctype/crm_deal/crm_deal.py
@@ -7,6 +7,44 @@ from frappe.model.document import Document
 
 
 class CRMDeal(Document):
+	def validate(self):
+		self.set_primary_contact()
+		self.set_primary_email_mobile_no()
+
+	def set_primary_contact(self, contact=None):
+		if not self.contacts:
+			return
+
+		if not contact and len(self.contacts) == 1:
+			self.contacts[0].is_primary = 1
+		elif contact:
+			for d in self.contacts:
+				if d.contact == contact:
+					d.is_primary = 1
+				else:
+					d.is_primary = 0
+
+	def set_primary_email_mobile_no(self):
+		if not self.contacts:
+			self.email = ""
+			self.mobile_no = ""
+			return
+
+		if len([contact for contact in self.contacts if contact.is_primary]) > 1:
+			frappe.throw(_("Only one {0} can be set as primary.").format(frappe.bold("Contact")))
+
+		primary_contact_exists = False
+		for d in self.contacts:
+			if d.is_primary == 1:
+				primary_contact_exists = True
+				self.email = d.email.strip()
+				self.mobile_no = d.mobile_no.strip()
+				break
+
+		if not primary_contact_exists:
+			self.email = ""
+			self.mobile_no = ""
+
 	@staticmethod
 	def sort_options():
 		return [