Avtar Singh
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Avtar Singh

Doraha, Ludhiana, India- 141421.

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Overview

I am a Physics lecturer at Govt. College Karamsar, Rara Sahib( District- Ludhiana). I've 8 years experience of teaching. Before here I taught at RIMT College, Sirhind & Patel College, Rajpura. Now, I am teaching at Govt. College Karamsar & give tutions after college time.

Address

1st Floor, Above Connect Office, Mani Complex

Boparai Road, Doraha.

Doraha, Ludhiana, India- 141421.

BA Tuition Overview

BA Tuition

Field tutored for

Mathematics

BA Mathematics Subjects

Number Theory, Bio-Mathematics, Applications of Algebra

Type of class

Regular Classes, Crash Course

Class strength catered to

Group Classes

Taught in School or College

Yes

Service Location

My Home

Years of Experience in BA Tuition

16

Reviews

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Avtar Singh address

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BA Tuition

Field tutored for

Mathematics

BA Mathematics Subjects

Number Theory, Bio-Mathematics, Applications of Algebra

Type of class

Regular Classes, Crash Course

Class strength catered to

Group Classes

Taught in School or College

Yes

Service Location

My Home

Years of Experience in BA Tuition

16

BSc Tuition

BSc Botany Subjects

Mathematics and Statistics, Cell Biology

Type of class

Regular Classes, Crash Course

Class strength catered to

One on one/ Private Tutions, Group Classes

Taught in School or College

Yes

BSc Branch

BSc Botany, BSc Statistics

BSc Statistics Subjects

Applied Statistics, Numerical Analysis

Service Location

My Home

Years of Experience in BSc Tuition

10

Bank Clerical Exam Coaching classes

Target section catered to

Reasoning Ability, Quantitaive aptitude/ Numerical ability, General awareness/ Financial awareness, English, Computer aptitude, Interview prep

Service Location

My Home

Years of Experience in Bank Clerical Exam Coaching classes

8

Computer Course classes

Service Location

C Language Classes
Class I-V Tuition

Service Location

Class IX-X Tuition

Service Location

Class VI-VIII Tuition

Service Location

Class XI-XII Tuition (PUC)

Service Location

Corel DRAW Training
Spoken English classes
IELTS Coaching classes
Internet & Email Training

Service Location

MS Windows 2007 Training
MS Word Training
Microsoft PowerPoint Training classes
Personality Development Training Classes

Service Location

Typing Classes

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Avtar S. conducts classes in BA Tuition, BSc Tuition and Bank Clerical Exam Coaching. Avtar is located in Doraha, Ludhiana. Avtar takes classes at Home. She has 16 years of teaching experience .

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About me

Brief Description 1. Comparative inactivation of faecal indicator bacteria in response to environmental stresses The research work carried out during doctorate degree investigated the effects of various factors, namely exposure to sunlight (solar photo-oxidation), high temperature, chlorine, low pH, or starvation, on the enumeration of faecal indicator bacteria in water. The inactivated faecal indicator bacteria were enumerated on non-selective* & different selective** media under conventional aerobic conditions & under conditions designed to neutralise reactive oxygen species (ROS) to investigate the effects of the nutrient status and selectivity of the medium on bacterial counts. 2. Comparative inactivation of faecal indicator bacteria in traditional brass and earthern water storage vessels On the basis of this approach, the effectiveness of storing water contaminated with faecal indicator bacteria in brass or earthern vessels (mutkas) of the type used in rural India was investigated. In all cases results indicated that, while storage of water in a brass mutka can inactivate E. coli and coliforms over a 48 h period, standard aerobic plate counting using selective media may not be fully effective in enumerating sub-lethally damaged bacteria (Work was cited in Nature, New Scientist, Science Magazine, the Journal, Times of India, the Hindu etc). 3. Resuscitation and pre-enrichment of faecal indicator bacteria enumerated from environmental water samples Them-T7 agar was used for the resuscitation of total coliforms present in environmental water samples and its performance was compared with various selective media under aerobic and ROS-neutralised conditions. This resuscitative medium recovered more coliforms in 60% to 80% of samples compared to MacConkey agar under both sets of growth conditions, while all of the other selective media i.e. mFC-R agar, m-Endo agar and mLSA agar gave consistently lower counts after screening 50 water samples for total coliforms. 4. Development of a novel broth-based medium for the enumeration of injured E. coli The information gained was used for the development of a novel broth-based medium for the enumeration of sub-lethally injured Escherichia coli under field conditions. 5. Evaluation of a novel broth-based medium for the enumeration of Escherichia coli under field conditions The novel broth-based field medium (?Coliblack?) was tested against a currently used method (H2S test) & evaluated under field conditions with unskilled personnel in rural locations in India. *Non-selective Escherichia coli- nutrient broth and agar; Enterococcus faecalis- brain-heart infusion broth **Selective Escherichia coli- MacConkey agar Chromocult Coliform agar, m-Lauryl sulphate agar, m- Faecal Coliform agar without rosolic acid, m-Endo Agar; Enterococcus faecalis- MacConkey agar no.2, Bile aesculin agar, Slanetz and Bartley, KF Streptococcus. (b) Research Summary as Research faculty in Lovely Professional University Independent research studies were carried out to evaluate the following areas: 1. Survival and detection of faecal indicator bacterium Enterococcus faecalis in drinking water samples exposed to sunlight (solar disinfection). 2. Survival and detection of faecal indicator bacterium Escherichia coli in drinking water samples exposed to sunlight (solar disinfection). Aim: The research focused to improve our understanding of the process by which Enterococcus faecalis and Escherichia coli is inactivated in sunlight & to apply the information gained to improve the methods available for detecting & enumerating this pathogen in drinking water samples collected from different sources in Lovely Professional University, Phagwara, India. Summary The study investigated the physiological processes underlying the inactivation of Enterococcus faecalis and Escherichia coli, as model organisms for water-borne bacterial diseases, in sunlight. Regular monitoring of drinking water sources for faecal indicator bacteria is an essential part of the procedures involved in monitoring the quality of water supplies. However, these bacteria are commonly found in samples of contaminated water where they undergo a variable amount of growth, injury or inhibition, due to their exposure to different biological and physico-chemical factors. These injured bacteria may lose the ability to grow on growth media in routine use, for example selective media, which are otherwise satisfactory for cultivation of healthy cells. The difference obtained in bacterial counts between non-selective and selective media has been used to describe the extent to which such bacteria have been subjected to stress. Stress is a physiological response produced in a bacterial cell as a result of a stimulus or because of a stressor. 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