The document is a letter from Alfa Infraprop Pvt. Ltd. to Mr. Suman Sukhen Chatterjee confirming his employment as Assistant Manager Electrical following a successful probation period. It informs him that his annual compensation has been increased from Rs. 907738.8 to Rs. 959988 effective April 1, 2015. An annexure provides the breakdown of his revised monthly compensation package of Rs. 79999 which includes various allowances, contributions, and deductions. The letter expresses appreciation for his contribution and hopes he will continue striving for excellence with the company.