Career

You have following options to become an aeronautical engineer:
(a) B.Tech in aeronautical engineering after +2 stage in PCM.
You may refer to following link for list of engineering colleges offering aeronautical engineering : https://www.shiksha.com/top-aeronautical-engineering-colleges-in-india-rankingpage-49-2-0-0-0
(b) Aeronautical Engineering is an interdisciplinary degree. You can do M.Tech in aeronautical engineering after B.Tech in mechanical or electronics & other branches.
(c) You can join Aeronautical Society of India(AeSI). The AeSI is a professional body, devoted to advancement of aeronautical sciences and engineering in India. The AeSI conducts Associate Membership Examination twice a year. In which applicant has to clear minimum 10 level of Section-A and 10 level of Section- B with training, Internship & projects of this examination which is recognized by the Ministry of Education, at par with a Bachelors Degree(B.Tech) in aerospace engineering of University from India.

CISCO certification are well recognised certifications which can help candidates to have long term well paid networking career. CISCO offers five levels of network certification: Entry, Associate, Professional, Expert and Architect, the highest level of accreditation within the Cisco Career Certification program. You may refer to following link for details of all CISCO certifications: http://www.cisco.com/c/en/us/training-events/training-certifications/certifications.html#~Cert.
CISCO also has specialist certifications. The Specialist designation certifies the specific expertise of technical professionals, including those with Cisco Career Certifications at the associate, professional or expert levels. By earning specialist certifications, network professionals can enhance their core networking knowledge in technologies such as security, data centre or video. You can start with CCENT and the CCT certifications to start career as a networking professional. You may do network courses from any CISCO authorised training partner.