Employee Service Agreement

Few Months before I've attended an interview in a mumbai based company and got selected for Associate Frontend engineer role with 2LPA package and 1 years Service agreement. I rejected that offer by stating I don't feel comfortable with the salary and the industry (Medical Billing). Later MD of that company called me and gave me an offer to work in his brother's company which is located in Malasiya for 6.3LPA and 2 years service agreement. I agreed to work with that Malasiyan start-up upon these conditions, 1.) I wouldn't be let to work on MD's company as I clearly stated I'm not comfortable with the salary and Industry. 2.) I'm accepting this offer and three year service agreement only because of Salary (6.3LPA). Two months later, all of a sudden, Management decided to move me from the Malasiyan startup to their Company which is operating in Mumbai (No prior notice has been given ). They stated, My performance is slow and I can continue to work in Their company, and they also didn't changed the Service agreement and salary according to their company. After working for one and half months in their company, yesterday they said they're reducing my salary to 2LPA because they are not satisfied with my performance. My query is, Do I have the right to ask for relieving me from that company because they changed my salary as well as the industry I work for, without paying Bond Amount?. I accepted to work for their company because by the time when they told me I'm not working for Malasiyan startup anymore, they didn't mention anything about reducing salary. But now they are Reducing it. I require some legal advice on this issue.