Hii I'm shani I'm not get period now 2 month and...

What is the treatment of Abdominal pain and delayed period
Treatment of Abdominal pain depends on the cause , so you need to do few tests in the nearest medical center for clinical assessment and for lab tests to reach the diagnosis and treat it accordingly and your doctor will do pregnancy test and US of the abdomen to exclude pregnancy 
Your doctor will prescribe medications such as :

• Antispasmodic such as scobutyl to relieve abdominal colic .
• Proton pumb inhibitors for burning sesnation and gastritis
• Triple therapy for Helicobacter pylori infection .
• Hormone therapy for PCOs
• Surgery for ovarian tumors

What are the causes of Abdominal pain
There are many causes for abdominal pain , which include

• Pregnancy
• Ectopic pregnancy
• Gastritis
• Polycystic ovary
• Irritable bowel syndrome
• H-pylori infection
• Colon disease
• Ulcerative colitis
• Appenicitis
• Other causes

What are the tests needed for abdominal pain ?

• Clinical assessment
• BHCG in Blood 
• Stool Analysis
• Ultrasound
• Other tests such as endoscope