Calculate Advance Tax - Old Regime

{
    "financial_year": "FY 2020-21",
    "pan": "ASDPF1234G",
    "filing_category": "General",
    "residential_status": "Non Resident",
    "basic_salary": "1500000",
    "hra_received": null,
    "rent_paid": null,
    "other_allowances": null,
    "address": {
        "city": "Ahmedabad"
    },
    "interest_paid_on_let_out_hp_loan": null,
    "rent_received": null,
    "property_tax_paid": null,
    "interest_paid_on_self_occupied_hp_loan": null,
    "capital_gains_by_quarter": [
        [
            "stcg_15",
            "stcg_30",
            "stcg_slab",
            "ltcg_10",
            "ltcg_20"
        ],
        [
            "150000",
            0,
            0,
            "-15000",
            0
        ],
        [
            0,
            0,
            0,
            0,
            0
        ],
        [
            0,
            0,
            0,
            0,
            0
        ],
        [
            0,
            0,
            0,
            0,
            0
        ]
    ],
    "savings_interest": null,
    "fd_interest": null,
    "dividend_income": null,
    "other_income": null,
    "regular_business_turnover": null,
    "regular_business_profit": null,
    "speculative_business_turnover": null,
    "speculative_business_profit": null,
    "elss": "85000",
    "tax_credits": [
        [
            "type",
            "date_of_deposit",
            "amount"
        ],
        [
            "TDS",
            "01/04/2020",
            null
        ],
        [
            "TCS",
            "01/04/2020",
            null
        ],
        [
            "Advance Tax",
            "15/06/2020",
            35000
        ]
    ]
}