Hyderabad-based drug manufacturing company Suven Life Sciences lately stepped into Indian 'NCE' Patent Wagon joining Mumbai-based drug Research Company Glenmark for receiving Indian patent for New Chemical Entity (NCE) indigenously researched and developed by the Indian company. The Chennai Patent Office issued Indian Patent No. 209540 to Suven for substituted 3-aminoalkoxyindoles as 5-HT (Serotonin) receptors against the mail-box Application No. 883/MAS/2002 filed November 28, 2002. Suven has also made a corresponding US patent filing via PCT National Phase published as US20060173193 dated August 03, 2006. According to the '193 publication, the compounds are suggested to have reach through indication over the treatment of certain CNS disorders such as, anxiety, depression, convulsive disorders, obsessive-compulsive disorders, migraine headache, cognitive memory disorders e.g. Alzheimer's disease and age-related cognitive decline, ADHD (Attention Deficient Disorder/Hyperactivity Syndrome), personality disorders, psychosis, paraphrenia, psychotic depression, mania, schizophrenia, schizophreniform disorders, withdrawal from drug abuse such as cocaine, ethanol, nicotine and benzodiazepines, panic attacks, chronobiological abnormalities, circadian rhythms, anxiolytic, osteoporosis, ischemic stroke, lower the risk of SIDS in young infants with low endogenous melatonin levels, reproduction, glaucoma, sleep disorders (including disturbances of Circadian rhythm) and also disorders associated with spinal trauma and/or head injury such as hydrocephalus. Compounds are further expected to be of use in the treatment of mild cognitive impairment and other neurodegenerative disorders like Alzheimer's disease, Parkinsonism and Huntington's chorea. The compounds are also expected to be of use in the treatment of certain GI (Gastrointestinal) disorders such as IBS (Irritable bowel syndrome) or chemotherapy induced emesis.