How many students appeared for SBI SO exam?

Study the following information carefully and answer the given questions: 7 students P, Q, R, S, T, U and V belong to 7 different states namely Assam, Bihar, Haryana, Himachal Pradesh, Madhya Pradesh, Meghalaya and Punjab. They are appearing for different exams- RRB PO, IBPS Clerk and SBI SO. At-least 2 students appear for a single exam. U and the person belongs to Himachal Pradesh appeared for the same exam. The person who belongs to Bihar, V and Q appeared for same exam. S belongs to neither Haryana nor Madhya Pradesh. T appeared for SBI SO but does not belong to Bihar. The person who belongs to Haryana and Bihar appeared for RRB PO. U appeared for neither IBPS Clerk nor belongs to Madhya Pradesh. V belongs to Himachal Pradesh. S did not appear for IBPS Clerk. R belongs to Meghalaya and appeared for IBPS Clerk. The person who belongs to Punjab appeared for IBPS Clerk.