Read the following sentences carefully:
1) Over 1,200 Public Sector Bank frauds cumulatively worth ₹3,450 crore were carried out across India with the help of bank staff between April 2013 to June 2016, RBI data has revealed.
2) Tamil Nadu, Andhra Pradesh, Karnataka and West Bengal witnessed the most number of cases.
3) The highest amount of money was swindled in Rajasthan, Chandigarh, Delhi and Maharashtra.
Which of the above sentence/sentences is/are correct?