My employer has deducted tax from my salary but it was not reflected in my TDS. But employer is not rectifying the mistake. What shall i do? i have received some notices from IT dept also. in the IT website login, i can see outstading demand , mismatch etc. when i called customer care in IT dept, they said only employer can solve the problem. but here no one is responding. it was AY2016-17 and 17-18. After 2018, the problem was rectified but what about old ones?