Education: Btech in Computer Science from tier 3 college
Years of Experience: 4.5 yr
Current compensation: 22 LPA(including PF) + Bonus

Company: Synopsys
Title/Level: Staff Software Engineer(L3)
Location: Noida

Salary: Rs 29 LPA(incl. gratuity and PF)
Signing Bonus: 4 LPA
Stock bonus: 20,000$ (for 3 years, equally divided)
Bonus: 12% of Base (3.48 lakhs)
Other Benefits: 1 lakh
Total comp (Salary + Bonus + Stock): 43 LPA for first year, 39 LPA from 2nd year onwards.

Is this a decent offer. Any chances of negotiations?