Coal India Limited — non receipt of dividend on 14 march 2016

I had bought 20 shares of coal india on 14/3/2016. Till date i have not received the dividend in my bank a/c my details are as follows
Boid[protected],,,,, sbi civic center bhilai
Ac [protected] savings
Client code is esi117104
Name... Ravindra shamkant kutwal
Address..14 d maroda sector poket i bhilai
Durg 490006
Sbi dp name sbicap securities limited
Cell...[protected]
Emailid [protected]@yahoo.in