The aim of this clinical trial is to assess the efficacy and safety of Infliximab-dyyb biosimilar in patients of resistant Hidradenitis suppurativa. The main question it aims to answer are:

• how effective is infliximab biosimilar in treating resistant Hidradentis suppurativa
• Is infliximab biosimilar safe in these patients Patients will receive weekly injections of Infliximab Biosimilar Remsima, according to weight, for first 4 weeks, and then fortnightly for next 24 weeks. Patients will be followed up at 4, 14 and 24 weeks for assessment of safety and efficacy

The aim of this clinical trial is to assess the efficacy and safety of Infliximab-dyyb biosimilar in patients of resistant Hidradenitis suppurativa. The main question it aims to answer are:

• how effective is infliximab biosimilar in treating resistant Hidradentis suppurativa
• Is infliximab biosimilar safe in these patients Patients will receive weekly injections of Infliximab Biosimilar Remsima, according to weight, for first 4 weeks, and then fortnightly for next 24 weeks. Patients will be followed up at 4, 14 and 24 weeks for assessment of safety and efficacy.

Pre and post treatment HiSCR, IHS4, DLQI scores and photos will be taken for comparison at week 0, 4, 14 and 24. Details will be entered on predesigned proforma DATA ANALYSIS PROCEDURE: Data will be entered and analyzed using SPSS 20. Data will be stratified for role of effect modifiers.

Inclusion Criteria:

• Patients of Hidradenitis suppurativa resistant to conventional therapy

Exclusion Criteria:

• Immunocompromised patients
• Patients with connective tissue disorders
• patients having chronic infections like heapatitis, HIV or Tuberculosis
• Pregnant or lactating mothers
• hypersensitivity to biologics