Education: BE Electrical 2020 from Tier 2 Institution
Years of Experience: 5 months (From January 2021)
Prior Experience: Product based MNC (CTC : INR 13 L for 1st year)
Date of the Offer: May 2021
Company: Amazon
Title/Level: SDE-1
Location: Bangalore
Salary: INR 15.5L base
Signing Bonus: INR 5.5L(first year) + 3L(Second year)
Stock bonus: 5 RSU (Vested over 4 years in standard Amazon weightage)
Total comp (Salary + Bonus + Stock): 15.5L + 5.5L + 60k(approx stock) = INR 21.6L for first year
Benefits: Gratuity, Standard Amazon benefits(Food, Transport etc allowance which comes to about INR 70k a year).

Is this a standard offer? Should I have negotiated more, maybe on the second year joining bonus, or the RSUs?