In which of the following institute did Chetan study?

Study the following information carefully and answer the given questions. Chetan, Deepak, Farhan, Gaurav, Harish, Jai and Lalit are seven friends who studied in three management institutes A, B and
C. They have opted for one out of three specialisation, viz. Marketing, Finance and Production with at least two of them in each specialisation. No two person have the same combination of institute and specialisation. The Marketing specialised from B earns the maximum. Deepak studied in institute C with Production specialisation and earn more than only Chetan and Gaurav. Farhan study in institute A with Marketing and earns less than only Harish and Lalit. Jai studied in institute C with Finance and earns more than Deepak but less than Farhan. Lalit studied in institute A with Finance specialisation. Gaurav, a Production specialised , studied in institute B and is not the least earner among them. Chetan is a Finance specialised.