Arresting process under CRPC section 498-A and 308

Dear Sir,nI am a Hindu and I want to know that In how many days the police have arrested the accused under the IPC sec. 498A and 308 along with the Dowery Protection act sec 3 and 4.> Is the police can arrest the accused directly after FIR? n> What is the process of arresting in the below sections?nnIn our case, Police have regd the FIR I.P.C. U/S 498A, 323, 342, 406, 504, 506, 308 and D.P.A. 1961 sec. 3 and 4 but police have still not arrested any accused person after spending 18 days.Kindly tell me the latest law and judgment for the above sections.Thank you so much in advance.